Base layers are an essential part of any outdoor wardrobe, especially for women who want to stay warm and comfortable in colder weather. A base layer is the first layer of clothing that you put on, and it serves as a foundation for your entire outfit. The main purpose of a base layer is to regulate your body temperature by wicking sweat away from your skin and keeping you warm.

When it comes to choosing the best base layer for women, there are several critical factors to consider. The most important of these is the type of material used to make the base layer. The material should be soft, lightweight, and breathable, and it should be able to wick moisture away from your skin quickly. Other factors to consider include the fit, size, and weight of the base layer, as well as any special features such as odor control or UV protection.

We spent countless hours researching and testing ten different base layers to identify the ones that offer the best combination of comfort, performance, and value for women. In the following sections, we'll share our top picks for the best base layer womens, along with a detailed breakdown of each product's features and benefits.

Best Base Layer Women's

As temperatures start to drop, staying warm and comfortable is essential, especially if you plan to spend time outdoors. A good base layer is the foundation of any cold-weather outfit, and it's important to choose one that fits well, keeps you warm, and wicks moisture away from your skin. Our team has researched and tested various base layers for women, and we've compiled a list of the best ones available on Amazon. From merino wool to synthetic blends, we've got you covered. Check out our top picks below.

NOOYME Thermal Underwear for Women Long Johns

We highly recommend purchasing the NOOYME Thermal Underwear for Women Long Johns as it is a comfortable and functional base layer for cold weather activities.

Pros

• The ultra-soft lining fleece keeps the cold air out and preserves heat effectively in extreme cold weather.
• The bamboo charcoal fiber performs well on moisture wicking, heat retention, and comfort.
• The non-abrasion fabric material with excellent elasticity and durability makes it high elastic, with an added range of motion and offers maximum freedom and support to your body.

Cons

• The sizing runs small, so it is important to refer to the actual measurement on the left side in advance of your purchase.
• It is not suitable for temperatures below freezing.
• The top may be too short for taller women.

The NOOYME Thermal Underwear for Women Long Johns is a versatile and functional base layer that can be used for various indoor and outdoor activities. The intricate and professional seaming reduces heat dispeating, keeping you warm during yoga, skiing, running, jogging, hiking, riding, and walking the dog. The bamboo charcoal fiber takes in three times more water than other fabrics, which makes it highly absorbent, wicking moisture away from the skin much faster and keeping you dry and comfortable all day.

The 4-way stretch compression suits offer superior blood flow and oxygenation, protecting you from muscle injury. The base layer is designed to increase blood flow and amount of oxygen in the blood, making it perfectly fitting for sport activities. The NOOYME Thermal Underwear for Women Long Johns is the best choice for hiking, skiing, jogging, and riding.

In conclusion, we highly recommend the NOOYME Thermal Underwear for Women Long Johns as a comfortable and functional base layer for cold weather activities.

MERIWOOL Womens Base Layer 100% Merino Wool Midweight Long Sleeve Thermal Shirt Charcoal Gray Medium

If you're looking for a comfortable and warm base layer, the MERIWOOL Womens Base Layer 100% Merino Wool Midweight Long Sleeve Thermal Shirt is a great option.

Pros

• The 100% all-natural superfine 18.5-micron Merino wool ensures comfort all day long with no itch.
• The shirt is quick-drying and has a flattering fit that features a loop for hang drying while camping, hiking, hunting, working, playing sports, skiing, snowboarding, or partaking in any outdoors activity.
• The shirt is machine-washable on a cold setting and safe to tumble dry on low heat with like colors, making it easy to care for.

Cons

• The shirt fits very tight and may feel scratchy for some people.
• The shirt is only available in one color.
• The shirt may not be suitable for extreme cold weather.

We recently tried out the MERIWOOL Womens Base Layer 100% Merino Wool Midweight Long Sleeve Thermal Shirt and were impressed by its comfort and warmth. The shirt is made from 100% all-natural superfine 18.5-micron Merino wool, which ensures comfort all day long with no itch. The shirt is also quick-drying and has a flattering fit that features a loop for hang drying while camping, hiking, hunting, working, playing sports, skiing, snowboarding, or partaking in any outdoors activity.

The shirt is machine-washable on a cold setting and safe to tumble dry on low heat with like colors, making it easy to care for. However, some people may find that the shirt fits very tight and feels scratchy. The shirt is only available in one color, which may not be suitable for everyone. Additionally, the shirt may not be suitable for extreme cold weather.

Overall, we would recommend the MERIWOOL Womens Base Layer 100% Merino Wool Midweight Long Sleeve Thermal Shirt to anyone looking for a comfortable and warm base layer. Its natural wicking and odor-resistant properties keep you dry and comfortable while active in cold weather. If you're not satisfied with the shirt, you can return it within 30 days for a hassle-free refund, exchange, or replacement.

NOOYME Thermal Underwear for Women Base Layer Women Cold Weather,Long Johns for Women Classic Blue Large

If you're looking for a base layer that will keep you warm in cold weather, NOOYME Thermal Underwear for Women is a great option.

Pros

• Made with advanced bamboo charcoal fiber for excellent thermal insulation and heat retention without being bulky.
• Equipped with bamboo charcoal fiber for excellent wick capability, absorbing excessive moisture much faster and keeping your core body temperature stable.
• Adopts the latest 4-Way Stretch technology, allowing you to exercise freely and assist your body.

Cons

• Some customers stated that the sizing runs small, and you may need to order up a size.
• Few customers have mentioned that it is not as warm as they expected.
• Some customers have reported that the wrist and ankle closure designs are too tight.

The NOOYME Thermal Underwear for Women is made with premium bamboo charcoal fiber, which stands out due to its extraordinary heat retention and moisture-wicking capacity. It keeps you warm with no sticky or damp feeling, and can also be utilized as a fashion base layer for warmth in cold weather.

The base layer is exceedingly absorbent, more than 40% absorbent as compared to other fabrics. The bamboo charcoal fiber is filled with micro gaps and holes, thus allowing for better moisture absorption and breathability than others. It absorbs excessive moisture much faster and keeps your core body temperature stable.

The latest 4-Way Stretch technology allows you to exercise freely and assist your body. Flexibility and full mobility are upgraded with long underwear women. Besides, the thermal underwear for women is designed to increase blood flow and protect muscle. It not only improves blood circulation but also protects you from muscle injury. Thermal underwear for women is an ideal fit for sport activities and workouts.

Overall, NOOYME Thermal Underwear for Women is an ultimate selection for indoors, outdoors, and active lifestyles. It is the best choice for a variety of different activities such as hiking, skiing, jogging, riding, and many more. The base layer women are ideal for winter sports. If you prefer a loose one, you can order up a size.

PISIQI Thermal Underwear Women Ultra-Soft Long Johns Set Base Layer Skiing Winter Warm Top & Bottom Small Black

If you're looking for a base layer that is comfortable and warm, the PISIQI Thermal Underwear set is a great choice.

Pros

• The ultra-soft polyester material is cozy and non-irritating, making it perfect for all-day wear.
• The four-way stretch allows for ease of movement without feeling bulky or heavy.
• The breathable fabric wicks away sweat, keeping you dry and comfortable during physical activity.

Cons

• The seams may not be as comfortable for some wearers.
• The sizing may run small for some individuals.
• The material may not be as durable as other base layers on the market.

This base layer set is perfect for any cold weather activity, from hiking to skiing to camping. The material is soft and comfortable, and the four-way stretch allows for ease of movement without feeling restricted. The breathable fabric wicks away sweat, keeping you dry and comfortable during physical activity.

One potential downside to this set is that the seams may not be as comfortable for some wearers. Additionally, the sizing may run small for some individuals, so it's important to double-check the size chart before purchasing. Finally, the material may not be as durable as other base layers on the market, so it's important to take care when washing and drying.

Overall, the PISIQI Thermal Underwear set is a great choice for anyone looking for a comfortable and warm base layer for cold weather activities.

MRIGNT Womens Base Layer Thermal Tops 2 Pack

If you're looking for a base layer that keeps you warm and comfortable during outdoor activities, then MRIGNT Womens Base Layer Thermal Tops 2 Pack is a great option.

Pros

• The thermal shirts are made of 90% polyester and 10% spandex, making them super soft and smooth to the touch.
• The four-way stretching provides excellent elasticity and high durability, so you don't feel uncomfortable even if you exercise hard.
• The deep neckline design makes it easier to wear it as a base layer which doesn't show even if you wear a shirt.

Cons

• The material may cause static electricity.
• The logo on the chest area of the top may not be for everyone's taste.
• The sizing may be a bit off, so make sure to follow the size chart.

We recently tried out MRIGNT Womens Base Layer Thermal Tops 2 Pack during a winter camping trip, and we were impressed with its performance. The Heat technology nap lining kept us warm, absorbed moisture, and expelled sweat, making it extremely convenient to wear. The inner layer was soft and skin-friendly, while the outer layer was smooth to the touch. We were able to move around comfortably thanks to the raglan sleeves design, which increased our range of motion and reduced scratches on the shoulder seam.

We also appreciated the high elasticity, which was more inclusive of different body types. The fabric design wrapped around us like a second layer of skin. We were happy with the undetectable low-neck design, which allowed us to wear it as a base layer without showing even if we wore a shirt.

Overall, we highly recommend MRIGNT Womens Base Layer Thermal Tops 2 Pack for anyone looking for a comfortable and durable base layer for outdoor activities.

Buying Guide

When it comes to choosing the best base layer for women, there are a few key features to consider. We recommend looking for the following:

Material

The material of the base layer is crucial, as it will affect both the comfort and performance of the garment. Look for materials that are moisture-wicking and breathable, such as merino wool or synthetic fabrics like polyester or nylon. These materials will help regulate your body temperature and keep you dry during physical activity.

Fit

The fit of your base layer is also important. You want a snug fit that will allow for easy layering, but not so tight that it restricts your movement. Look for base layers with a stretchy fabric that will move with you and stay in place during activity.

Style

Base layers come in a variety of styles, including long-sleeve, short-sleeve, and tank tops. Consider the climate and activity you will be doing when choosing a style. For colder weather, long-sleeve options may be more appropriate, while short-sleeve or tank tops may be better for warmer weather or high-intensity activities.

Features

Additional features to consider include flatlock seams, which prevent chafing, and thumbholes, which can help keep the sleeves in place and provide extra warmth. Some base layers also have odor-resistant properties, which can be helpful for multi-day trips or intense activities.

Overall, choosing the best base layer for women comes down to finding a garment that fits well, is made from high-quality materials, and has the features you need for your specific activity. By considering these factors, you can find a base layer that will keep you comfortable and performing at your best.