Wool Base Layers Women's

Wool base layers for women are essential pieces of outdoor gear that provide comfort, warmth and insulation during cold weather activities. These highly versatile and functional garments are specifically designed to be worn next to the skin, providing a layer of insulation that keeps the body temperature regulated, even in the harshest conditions. With their natural moisture-wicking properties and ability to trap heat, wool base layers are perfect for outdoor enthusiasts, athletes and anyone seeking a comfortable and reliable layering option.

Whether you are hitting the slopes, hiking in the mountains or simply bracing yourself for a chilly day ahead, they are a must-have addition to any winter wardrobe. Here's what you need to know before finding the right wool base layer.

Before heading out for your outdoor adventures, it's important to understand the importance of base layers. The base layer is the foundation of your clothing system, providing comfort, warmth and moisture management. They are designed to be worn directly against your skin and help regulate your body temperature by wicking sweat away and insulating your body. With the right base layers, you can stay comfortable and dry, no matter the weather or activity.

What Are Base Layers?

Base layers, also known as thermal underwear or long underwear, are garments worn next to the skin to provide insulation and moisture management. They come in different styles and weights, ranging from lightweight for warm weather to heavyweight for extreme cold conditions. Base layers are typically made from materials that are breathable and moisture-wicking to keep you dry and comfortable during physical activities.

What Materials Are Base Layers Made From?

When you start shopping for base layers, you'll notice they come in different materials. The most common options include wool, nylon, polyester and blended fabrics. This section explores the benefits and differences between these materials.

Merino Wool

Merino wool is a premium wool variant, and merino wool clothing is highly popular for its superior characteristics. It is a tightly woven fabric, giving it a uniquely soft and comfortable texture. It also offers excellent insulation and has brilliant wicking capabilities to keep the skin dry. These fibers also have natural antimicrobial properties that help curb odor.

Nylon

Nylon base layers have a quick-drying ability, which prevents the body from losing heat when wet. Moreover, nylon fabrics have a high strength-to-weight ratio, which contributes to the durability of nylon base layers.

Polyester

Often used in technical apparel, polyester base layers are valued for their durability, light fabric weight and resistance to mildew and most chemicals. However, they may not provide the warmth that wool base layers do.

Blends

Blends combine the beneficial properties of multiple fabrics into one high-performance base layer. For instance, combining merino wool and nylon enhances the durability, moisture-wicking capabilities and warmth of base layers.

What Are the Benefits of Base Layers?

Base layers offer several benefits that make them essential for outdoor activities. They provide insulation to keep you warm in cold weather and help regulate your body temperature by wicking moisture away from your skin. This moisture-wicking ability also helps prevent odor-causing bacteria from forming, keeping you fresh during extended wear. Base layers are also lightweight and breathable, allowing for easy movement and comfort. Additionally, they can be layered with other clothing to create a versatile clothing system for different weather conditions and activities.

How to Layer for Outdoor Activities

When you get dressed for your next outdoor adventure, layering correctly will help you stay safe and comfortable throughout your journey. In general, the best way to layer is as follows:

1. Base layer: The first layer to immediately touch the skin. This layer is important for wicking away sweat and moisture and retaining heat.
2. Mid-layer or insulating layer: This layer goes directly above the base layer. It serves as insulation, trapping heat generated by the body, while also allowing moisture to escape, ensuring comfort and regulating body temperature in changing weather conditions. Fleece is a common insulating layer.
3. Outer layer or shell layer: The outermost layer is incredibly important when dressing for outdoor activities. It acts as the first line of defense against unpredictable weather conditions, providing protection against rain, wind and cold temperatures. This category includes rain jackets, down sweaters and vests.

In addition to layers, accessories like gloves, merino wool socks and face coverings like gaiters and scarves can provide excellent coverage.

Layering for Different Weather Conditions

Layering is a fantastic way to adapt to different weather conditions and stay comfortable throughout the day. When faced with cold weather, it is essential to start with a base layer that can keep moisture away from the body. This could be a moisture-wicking fabric like polyester or merino wool.

Next, a mid-layer can be added to provide insulation. This could be a fleece or a down jacket. Finally, a waterproof and windproof outer layer is necessary to protect against rain or snow. This outer layer can be a shell jacket or a parka. By layering up, individuals can easily adjust their clothing throughout the day as the weather changes, ensuring they are prepared for any conditions.

Layering for Different Activities

Layering allows individuals to adjust their clothing according to the changing weather conditions and their level of exertion. For winter activities such as skiing or snowboarding, a base layer made of moisture-wicking fabric is crucial to keep the body dry and insulated. This should be followed by a mid-layer, like a fleece or down jacket, to provide warmth. Finally, an outer layer comprising a waterproof and windproof shell is necessary to protect against snow and rain.

On the other hand, for activities like hiking or running in warmer weather, a lightweight and breathable base layer is sufficient, meaning you can choose a moisture-wicking t-shirt or lightweight long sleeve base layer as your first layer. After you've put your lightweight base layer on, you should consider put ting on a lightweight and waterproof outer layer which may be necessary to protect against unexpected rain showers. Overall, layering enables outdoor enthusiasts to adapt to various conditions and maintain their comfort throughout their activities.

Why Choose Wool for Base Layers?

When it comes to choosing base layers, wool is an excellent option. Wool has natural insulating properties that help keep you warm in cold weather and cool in hot weather. It is also highly breathable and moisture-wicking, keeping you dry and comfortable during physical activities. Wool is naturally odor-resistant, meaning it won't retain odors even after prolonged wear. Additionally, wool is durable and long-lasting, making it an investment that will withstand the test of time.

When it comes to preparing for outdoor activities in colder climates, having the right base layers is crucial. Women's wool base layers are an excellent choice, as they provide warmth, comfort and moisture-wicking properties. However, with so many options available on the market, it can be overwhelming to choose the best one. That's why it's important to consider various factors before making a purchase. Factors such as weight, fit, material quality, insulation and durability should all be taken into account to ensure that you find the perfect women's wool base layers for your needs.

Weight

Base layers come in lightweight, midweight and heavyweight options. When choosing layers based on weight, it's important to consider the specific conditions and activities you'll be using them for. Lightweight layers are ideal for high-intensity activities and mild weather conditions as they provide excellent moisture wicking and breathability. A midweight base layer strikes a balance between warmth and breathability, making it a versatile choice for a range of activities and moderate temperatures.

On the other hand, heavyweight options excel in providing maximum insulation and warmth, making them perfect for cold weather and low-intensity activities. It's also important to consider your personal preference for layering and the overall fit and comfort of the base layer.

Comfort and Fit

When choosing wool layers for optimal comfort and fit, there are a few factors to consider. Look for a wool fabric that is soft and non-irritating against the skin. Merino wool, known for its fine fibers, is often a good choice in this regard.

Next, consider the fit. Look for base layers that are snug but not too tight, allowing for ease of movement. It's also important to choose a base layer that has a good length, ensuring it stays tucked in and provides adequate coverage.

It's also important to consider the style and design of the base layer, as certain features like flatlock seams and tagless labels can enhance comfort by reducing chafing and irritation. Finding base layers that prioritize comfort and fit will ensure a more enjoyable and cozy outdoor experience.

Material and Breathability

When selecting a wool base layer, two important factors to consider are the material and breathability. Aim for base layers made from high-quality merino wool. Merino wool is highly durable, temperature-regulating and has excellent moisture-wicking properties. It is also naturally antibacterial and odor-resistant.

You should also assess the breathability of the wool base layer. Look for options with good breathability to ensure proper ventilation and moisture management. This will prevent you from feeling too hot or sweaty during physical activities. Selecting wool layers with the right material and sufficient breathability ensures comfort, temperature regulation and optimal performance in various weather conditions.

Color

When choosing wool base layers, it is important to consider the color that will best suit your needs and activities. Dark colors, such as navy or black, are great options if you plan on using your wool base layer for activities like skiing or hiking, as they retain heat and tend to hide dirt and stains better.

Lighter colors, such as grey or light blue, are ideal for more casual wear or indoor activities, as they can help reflect sunlight and keep you cooler. Additionally, consider your personal style and the other garments you plan on wearing with your wool base layer. Opting for a versatile color like charcoal or a neutral tone such as beige can ensure that your base layer seamlessly matches with the rest of your wardrobe.

Durability

Durability is important, especially for regular outdoor enthusiasts. Here are some tips on how to find a durable wool base layer:

• Look for materials that are made with merino wool. Merino wool is a naturally strong fiber that is resistant to pilling and stretching.
• Consider the weight of the base layer. Base layers come in a variety of weights, from lightweight to heavyweight. A heavier weight usually indicates a more robust and durable material.
• Look for base layers that have reinforced stitching or flat seams. Flatlock seams are designed to prevent chafing, which is a common problem for outdoor adventurers. These types of seams are also less likely to come undone, prolonging the life of your clothing.
• Choose a base layer that fits well. A base layer that is too tight will be uncomfortable and restrict your movement. A base layer that is too loose will not provide as much insulation.
• Read reviews before you buy. This is a great way to get feedback from other people who have used the base layer you are interested in.
• Buy from a reputable retailer. This will ensure that you are getting a quality product.
• Invest in a good base layer. A high-quality base layer will last longer and perform better than a lower-quality base layer.

Warmth

When choosing wool base layers for warmth, there are a few factors to consider. First and foremost, it is important to look for base layers made from high-quality wool, such as merino wool. Additionally, consider the thickness or weight of the wool base layer. Generally, the heavier the weight, the warmer the base layer will be.

However, keep in mind that excessively heavy base layers may be too warm in certain climates or during high-intensity activities. It is also crucial to ensure a proper fit, as a snug fit will help trap body heat and maximize insulation. Lastly, consider the layering system you plan to use. If you intend to wear multiple layers, it may be more beneficial to choose a slightly lighter-weight layer to allow for better breathability and moisture-wicking properties. Overall, prioritize high-quality wool, consider the weight and fit and think about your specific layering needs to choose a wool base layer that will provide optimal warmth.

Drying Speed

Choosing wool base layers based on drying speed is important because it directly affects overall comfort and performance during outdoor activities. Wool has natural moisture-wicking properties and can absorb up to 30% of its weight in moisture without feeling damp. This means that a wool base layer will keep the skin dry by quickly pulling sweat away from the body and allowing it to evaporate.

When engaging in activities with intense physical exertion or in unpredictable weather conditions, the ability of a wool base layer to dry quickly becomes crucial to regulate body temperature and prevent discomfort, chills and even hypothermia. Considering the drying speed of wool base layers is essential for ensuring optimal comfort and performance during outdoor adventures.

Layering Compatibility

Finding a base layer that is compatible with outer layers is crucial for maximizing comfort and performance in outdoor activities. Wool is known for its excellent insulating properties, moisture-wicking ability and odor resistance, making it an ideal choice for base layers. However, it is essential to consider how well these base layers can work with other layers in a system.

Compatibility ensures that the base layer fits well under mid-layers (insulating layers) and outer layers (shell layers) without causing discomfort or restricting movement. It also allows for efficient moisture management, as the base layer should effectively wick sweat away from the body and transfer it to the outer layers for evaporation. By choosing wool base layers that are compatible with layering, individuals can ensure optimal insulation, moisture control and overall comfort in a variety of weather conditions.

Price and Value

Finally, consider the value that the base layer offers for the price. Price generally shouldn't be your top priority when choosing outdoor apparel, but it's important to get the most out of your gear without breaking the bank. Finding a good balance between price and value is key.

While it may be tempting to opt for cheaper alternatives, investing in higher-priced wool base layers can offer significant benefits in terms of durability and performance. Merino wool usually comes at a higher cost than synthetic materials, but with its superior insulation properties and ability to regulate body temperature, it can be an excellent investment for outdoor activities that involve varying temperatures and weather conditions. These features ensure that you stay comfortable and dry throughout your journey.

Additionally, durable wool base layers tend to have a longer lifespan, making them more cost-effective in the long run. By prioritizing price and value, you can ensure that you are getting the most out of your investment in wool base layers. More expensive base layers may have greater longevity, superior features and better comfort, justifying the price.

If you have a strict budget, be sure to take advantage of sales. It's common for outdoor apparel shops to sell off-season gear at a discount. When you find high-quality items at a discounted price, it's easier to stretch your budget and get all the gear you need for a safe and enjoyable outdoor adventure.

When it comes to identifying the perfect cold weather essential, the name merino wool undoubtedly stands out compared to other fabric choices on the market. The exceptional warmth-to-weight ratio of merino wool base layers, paired with their natural resistance to odors, makes them a must-have addition to your wardrobe. Let's deep dive into some essential tips for taking care of your wool clothing and extending its lifespan.

How to Clean Wool Clothing

Wool is a naturally water-resistant material, so it can be difficult to get it dirty. However, if your wool clothing does get dirty, it is important to clean it properly to prevent damage. Cleaning merino wool clothing requires a gentle approach. It's not like handling your regular laundry. Given the delicate nature of wool fibers, it's crucial not to agitate them.

Here are the steps on how to clean wool clothing:

1. Turn the garment inside out. This will help to protect the outer layer of the garment from getting damaged.
2. Fill a sink or basin with cold water. Add a small amount of mild detergent, such as Woolite.
3. Swish the garment around in the soapy water for a few minutes. Be careful not to rub the garment, as this can damage the fibers.
4. Rinse the garment thoroughly in cold water. Be sure to remove all of the soap.
5. Squeeze out as much water as possible. Do not wring the garment, as this can also damage the fibers.
6. Lay the garment flat to dry. Do not hang it up, as this can cause the garment to stretch out.

If your wool clothing is heavily soiled, you may need to wash it in the washing machine. However, it is important to use the delicate cycle and a mild detergent. You should also avoid using the dryer, as this can damage the wool fibers.

Here are some additional tips for cleaning wool clothing:

• Spot clean stains as soon as possible. This will help to prevent the stain from setting in.
• Avoid using bleach on wool clothing. Bleach can damage the wool fibers and cause them to fade.

By following these tips, you can keep your wool clothing looking and performing its best for many years to come.

Proper Storage

After washing and thoroughly drying your wool base layers, don't forget to store them right. Proper storage will help prevent them from becoming damaged. Here are some tips for storing wool base layers:

• Store your wool base layers in a cool, dry place. Avoid storing them in direct sunlight or in humid environments, as this can cause them to fade or mildew.
• Fold your wool base layers instead of hanging them. Hanging them can put stress on the fibers and cause them to stretch out.
• Store your wool base layers in a breathable bag or container. This will help to prevent them from getting musty or moth-eaten.
• Check your wool base layers regularly for any signs of damage. If you find any holes or tears, repair them immediately to prevent the damage from getting worse.
• Use a vacuum-sealed bag to store your wools. This will help to keep them free of moisture and pests.
• Store your wool base layers with cedar chips or mothballs. This will help to deter pests.
• Inspect your wool base layers before each use. Look for any signs of damage, such as holes or tears.
• Wash your wool base layers regularly, according to the care instructions. This will help to remove any dirt, sweat, or body oils that can build up and damage the fibers.

Maintenance and Repairs

Most merino wool clothing is designed with practicality and durability in mind. However, making repairs as necessary is essential for ensuring your gear lasts as long as possible.

Maintenance and repairs for wool base layers are relatively easy and straightforward. To ensure their longevity and performance, it is recommended to hand wash them in cold water with a gentle wool detergent. Avoid using harsh chemicals or bleaches, as they can damage the fabric. After washing, reshape the garment and lay it flat to dry, away from direct sunlight or heat sources. It is also important to avoid wringing or twisting the base layer, as this can cause stretching or distortion.

In terms of repairs, minor issues like loose threads or small holes can be easily mended with a needle and matching thread. However, for more significant tears or damages, it is advisable to take the base layer to a professional tailor or a specialized repair service to ensure proper restoration. By following these maintenance tips and addressing repairs promptly, wool base layers can last for many seasons, providing warmth and comfort in outdoor activities.

Common Issues With Wool Base Layers and Their Solutions

Wool base layers are a great way to stay warm and dry in cold weather, but they can be susceptible to some common issues. Here are a few of the most common issues and their solutions:

• Shrinking: Wool is a natural fiber that can shrink when exposed to hot water or high heat. To prevent your wool base layers from shrinking, it is important to wash them in cold water and air-dry them flat.
• Pilling: Pilling is the formation of small balls of fabric on the surface of wool garments. Pilling can be caused by friction, such as rubbing against other fabrics or against your skin. To prevent pilling, you can wash your wool base layers in a mesh laundry bag and avoid tumble drying them.
• Snagging: Wool is a soft fiber that can snag easily on sharp objects, such as zippers or fingernails. To prevent snags, it is important to be careful when handling your wool base layers. You can also mend any small snags as soon as possible to prevent them from getting worse.
• Mold and mildew: Wool is a naturally water-resistant fiber, but it can still be susceptible to mold and mildew if it is not stored properly. To prevent mold and mildew, it is important to store your wool base layers in a cool, dry place.
• Odor: Wool is naturally odor-resistant, but it can still develop an odor if it is not washed regularly. To prevent odor, it is important to wash your wool base layers according to the care instructions.

How Long Do Wool Base Layers Typically Last?

Wool base layers are known for their durability and longevity. With proper care and maintenance, wool base layers can last for several years. The exact lifespan of a wool base layer depends on various factors, such as the quality of the wool, the frequency of use and the maintenance routine. High-quality merino wool base layers have been known to last for around five to ten years when used and cared for correctly.

Regular washing with gentle detergents, avoiding excessive heat during drying and proper storage can help extend the lifespan of these garments. However, it is essential to monitor and inspect the base layers for signs of wear and tear, such as holes or excessive pilling, to ensure optimal performance and comfort.

At Stio, we offer an extensive collection of women’s merino wool base layers that are not only warm and comfortable but also durable. They are designed to keep your body heat in and the cold weather out.

Our brand specializes in outdoor apparel made with high-quality materials and advanced moisture-wicking technology. Our wool base layers are no exception. They are built to be comfortable and stylish, featuring relaxed-fit designs that provide a comfortable range of motion, as well as flatlock seams that prevent chafing.

If you're looking for a durable, long-lasting wool base layer that will keep you warm and dry during your outdoor adventures, Stio is the outdoor apparel shop for you.

Here are our top choices for women's wool base layer tops and bottoms.

Women's Basis Power Wool™ Crew

Stio's Women's Basis Power Wool™ Crew is a hybrid merino wool baselayer that offers unparalleled wicking performance to keep you dry during any high-output, cold-weather pursuits. It is made with Polartec® Power Wool™ fabric, which is a bi-component knit that combines the distinct advantages of natural and synthetic fibers. The interior is made with merino wool, which is naturally odor-resistant, moisture-wicking and warm even when wet. The exterior is made with a synthetic fiber that helps to reduce dry times and offer durability.

The Basis Power Wool™ Crew features a relaxed-fit design that provides a comfortable range of motion. The flatlock seams are designed to prevent chafing, so you can move comfortably even when you're working up a sweat.

Here are some of the key features of the Women's Basis Power Wool™ Crew:

• Made with Polartec® Power Wool™ fabric, which is a bi-component knit that combines the distinct advantages of natural and synthetic fibers
• Interior made with merino wool, which is naturally odor-resistant, moisture-wicking and warm even when wet
• Exterior made with a synthetic fiber that helps to reduce dry times and offer durability
• Relaxed-fit design provides a comfortable range of motion
• Flatlock seams prevent chafing
• Perfect for a variety of activities, including hiking, backpacking, skiing, snowboarding and running
• Great layering piece for cold weather days

If you're looking for a versatile and high-performance merino wool baselayer, the Women's Basis Power Wool™ Crew is a great option. It's made with high-quality materials and features a comfortable and stylish design. Whether you're hiking in the mountains or skiing in the snow, this baselayer will keep you warm, dry and comfortable.

Women's Basis Power Wool™ Zip Neck

The Women's Basis Power Wool™ Zip Neck is a hybrid merino wool baselayer that manages moisture and keeps you dry during any high-output, cold-weather pursuits. The fabric is made with Polartec® Power Wool™, which is a bi-component knit that combines the distinct advantages of natural and synthetic fibers. The interior is made with merino wool, which is naturally odor-resistant, moisture-wicking and warm even when wet. The exterior is made with a synthetic fiber that helps to reduce dry times and offer durability.

The Basis Power Wool™ Zip Neck features a classic zip-neck design that provides added coverage and quick ventilation. The flatlock seams are designed to prevent chafing, so you can move comfortably even when you're working up a sweat.

This baselayer is perfect for a variety of activities, including hiking, backpacking, skiing, snowboarding and running. It's also a great layering piece for cold weather days.

Here are some of the key features of the Women's Basis Power Wool™ Zip Neck:

• Made with Polartec® Power Wool™ fabric, which is a bi-component knit that combines the distinct advantages of natural and synthetic fibers
• Interior made with merino wool, which is naturally odor-resistant, moisture-wicking and warm even when wet
• Exterior made with a synthetic fiber that helps to reduce dry times and offer durability
• Classic zip-neck design provides added coverage and quick ventilation
• Flatlock seams prevent chafing
• Perfect for a variety of activities, including hiking, backpacking, skiing, snowboarding and running
• Great layering piece for cold weather days

Women's Basis Power Wool™ Tight

The Women's Basis Power Wool™ Tight is a hybrid merino wool baselayer bottom that manages moisture to keep you dry and comfy during high-output, cold-weather pursuits. It is made with Polartec® Power Wool™ fabric, which is a bi-component knit that combines the distinct advantages of natural and synthetic fibers. The interior is made with merino wool, which is naturally odor-resistant, moisture-wicking and warm even when wet. The exterior is made with a synthetic fiber that helps to reduce dry times and offer durability.

The Basis Power Wool™ Tight features a relaxed-fit design that provides a comfortable range of motion. The flatlock seams are designed to prevent chafing, so you can move comfortably even when you're working up a sweat.

This baselayer is perfect for a variety of activities, including hiking, backpacking, skiing, snowboarding and running. It's also a great layering piece for cold weather days.

Here are some of the key features of the Women's Basis Power Wool™ Tight:

• Made with Polartec® Power Wool™ fabric, which is a bi-component knit that combines the distinct advantages of natural and synthetic fibers
• Interior made with merino wool, which is naturally odor-resistant, moisture-wicking and warm even when wet
• Exterior made with a synthetic fiber that helps to reduce dry times and offer durability
• Relaxed-fit design provides a comfortable range of motion
• Flatlock seams prevent chafing
• Perfect for a variety of activities, including hiking, backpacking, skiing, snowboarding and running
• Great layering piece for cold weather days

Shop Stio's collection of top-quality women's base layer tops and bottoms.

What makes merino wool unique?

Merino wool base layers are known for their superior quality compared to other layering materials. This is due to the specific wool fibers derived from Merino sheep, a breed known for producing relatively finer and softer wool than other types of sheep. These merino wool base layers combine the natural benefits of wool fibers and innovative knitting techniques to create clothing items with incredible warmth, moisture management and comfort.

What is the difference between wool and synthetic baselayers?

Merino wool and synthetic baselayers are both popular options for outdoor enthusiasts, but they differ in a few key ways. Merino wool is a natural fiber that comes from Merino sheep, known for its softness, breathability and ability to regulate body temperature effectively. It also has natural anti-odor and moisture-wicking properties, making it a great choice for activities where you may work up a sweat.

On the other hand, synthetic baselayers are made from man-made materials such as polyester or nylon. They tend to be lighter, more durable and provide the fastest drying speeds. While they may not be as soft or odor-resistant, synthetic baselayers often offer better moisture management, especially in wet conditions. Ultimately, choosing between merino wool and synthetic baselayers depends on personal preferences, the anticipated activity level and the climate you'll be in.

What features should I look for in a wool base layer?

When choosing a wool base layer, there are several key features that you should consider. First, thumb loops are a great addition as they help keep the sleeves in place and provide added coverage for your hands. Flatlock seams are ideal as they reduce chafing and increase the overall comfort of the garment.

Another important feature is moisture-wicking abilities, as wool is known for its excellent moisture management properties, drawing sweat away from the skin and keeping you dry. Lastly, comfort is paramount and can be enhanced by features like a tagless design and a soft, non-itchy fabric construction. By considering these features, you can find a wool base layer that not only keeps you warm but also offers exceptional functionality and comfort.

How should my wool base layer fit?

When it comes to wool base layers, one of the key factors that determines their effectiveness is the fit. A snug fit is essential for several reasons. Firstly, it helps to trap and retain body heat, keeping you warm and insulated in cold weather conditions. A loose-fitting base layer, on the other hand, can allow cold air to circulate and undermine the insulation properties of the wool.

Secondly, a snug fit prevents the base layer from bunching up or wrinkling, which can cause discomfort and irritation during physical activities. It ensures that the fabric stays close to your skin, maximizing its ability to wick away moisture and regulate body temperature.

Lastly, a properly fitting wool base layer provides a layer of support and compression, reducing muscle fatigue and enhancing overall performance. In conclusion, the importance of a snug fit for wool base layers cannot be overstated as it directly impacts their warmth, functionality and comfort.