Best M Womens Base Layers in 2026

Dual-layer fabric with an ultra-warm, brushed interior & a smooth, fast-drying exterior

Stretch-mesh back & underarm panels provide strategic ventilation

4-way stretch construction moves better in every direction

FEATURES: Quick Dry, Anti-Odor, 4-Way Stretch, Lightweight, Breathable, Ultra-Soft, Fitted, Tag Free Label. Perfect for your basic needs and everyday activities. Offers maximum stretch while being lightweight, comfortable, and snug fitting. Make this your go-to thermal bottom as your first layer on a long run or your only layer while lounging on the couch or sleeping at night.

FABRIC: 90% Polyester, 10% Spandex. Lightweight knit with a lot of stretch. Lightly brushed on both sides which gives a soft cozy feel that is smooth against the body.

COLD WEATHER: Lightweight warmth, can be worn invisibly as first layer underneath any other clothing.

Quick dry and breathable fabric. Won't deform and fade, as mild as the second skin. Keep cool in summer, stay dry and warm in winter, excellent for outdoor sports

2 side pockets provide the convenience of carrying essentials for outdoor sports; wide waistband for optimal coverage and the 4 way stretch fabric for mobility in any direction, more flexible and cool dry in training

Aesthetic part of your workout and optimize your performance. Leggings provided excellent protection from the sun, the flatlock seams against abrasions and make it more durable

Machine wash cold, Import

Ready for Adventure: Always enjoy cold weather adventures with the Icebreaker Merino Women’s 175 Standard Merino Wool Shirt! These women’s thermals are long sleeve and feature a comfortable crew neck for year-round layering performance and style.

Amazingly Soft Women’s T-Shirts: These long sleeve tee shirts for women are made with 100% Merino Wool, an annually renewable resource that naturally resists odors, regulates body temperature in all weather conditions, and helps manage moisture.

All Day Comfort: Breathable and versatile, this women’s long sleeve tee shirt is quick-drying, with offset shoulder seams to reduce chafing, and ribbed fabric for all day comfort ; This is a slim fit long sleeve shirt for women for classic style.

TSLA Thermal Shirt Series designed for cold weather.

[Materials] Mix of Polyester & Spandex fabric is excellent elasticity with enhanced range of motion.

[Fleece Lining] Thermal fleece lining designed to enhance the warmth and thermal insulation.

Size is comparably smaller,So check the size chart of the third picture to select the appropriate size

Tight Fitting,like a second skin.Order 1 size up for Regular Fit

Super-soft fabric delivers incredible all-day comfort

QUALITY MIDWEIGHT BASELAYER: 100% Merino Wool is super soft and extremely comfortable. This three season merino wool crew neck thermal has the versatility and warmth to make this an essential part of your outdoor gear. Its moisture wicking properties means you won’t have to wash it as often so you’ll use even less water. Sizes XS to 3XL in a regular fit. Minus33 offers a great size selection. Outfitting anyone from the Hard-at-Work to the Hard-at-Play.

PERFECT TO WEAR: for any activity. Wear this top as a base layer to go skiing, snowboarding, hiking, running, ice fishing, hunting, the activities are endless! This midweight long sleeve can be worn whether it's as low as 0 degrees or as high as 60. Our crew has tagless construction so you don't have to worry about the annoyance of the unwanted itch. You can wear this long sleeve as a base layer, mid layer, or even outer layer so you can get as many uses out of it as you would like!

EXPERIENCED BRAND: Although there are many copy-cats on the market today, Minus33 has been a trusted brand since 2004. We see it all – from beautiful fall leaves, to white, snowy winters, to colorful springs and summers. We’re New Englanders, plain and simple. We’ve been hiking, camping, skiing, and everything else in between since we were kids. No amount of snow keeps us down, and we only continue to thrive in the summer.

What You Get: Terramar Sports Thermasilk Women's Scoop top comes in Black, Natural and Grey options and in the following sizes: Small, Medium, Large and X-Large. Made from 100% pure silk, they feel extremely smooth and keep you warm

These shirts are very light weight and do not have additional bulk and made with our ClimaSense treatment to neutralize s, regulate your body temperature and wick away any sweat

Features: Thermoregulation Comfort Technology to regulate your body's natural temperature and keep your hands warm. It is built to stretch so there is no irritation or bunching

MIDWEIGHT – Womens Wool Base Layer Top Available in: Midweight = 250 g/m², Heavyweight = 320 g/m². FREE MERINO WOOL HIKING SOCKS ($21 VALUE!) – Package includes Merino Wool Zip Sweater Women Midweight 250 g/m² + Wool Socks. Cool Packaging! MAKES A GREAT GIFT!

SUPER SOFT & COMFORTABLE – 100% Superfine 18.5 Micron Zip Up Wool Sweater for Women provides all day comfort and no itch! Designed for daily wear without rubbing, overheating, or bunching of regular cotton.

MOISTURE WICKING & ODOR RESISTANT – Womens Quarter Zip Wool Sweater natural wicking and odor-resistant properties allow it to absorb moisture better than any other fabric, keeping you dry and fresh.

Regular fit is just right: Not too tight or too baggy

Brushed polyester French terry fleece fabric for outstanding warmth

Kangaroo hand-warmer pockets for warmth and storage

Polyester/Acrylic/Spandex

Scoop neck, Banded cuff, Sleek stretch fit

Ultra soft fabric, Light weight

Material: 87% merino wool, 13% nylon

Insulation Weight: lightweight (150g/m2)

Fit: slim

NOTE: Store KLOTHO is the only distributor, PLEASE NOTE. Material: Soft and stretchy. Super comfy and light weight but not too sheer. Breathable fabric that retains shape and doesn't shrink.

Style: Well made and beautiful fit, slim fit but not too tight. Sexy short corp top which stay right above your belly button and makes you look taller.

Occasion: Casual wear or workout. You can wear to the gym, yoga, hang out or Cosplay. Great for dress up in Halloween, nice gift.

MIDWEIGHT 100% MERINO WOOL base layer ideal for cold weather activities

NATURAL body temperature control

NATURAL anti-odor control

FEATURES: Moisture wicking, Anti Static, Anti Odor, 4 Way Stretch, Tag Free Label, Elastic Waistband

FABRIC: 40% Polyester, 34% Acrylic, 22% Rayon, 4% Spandex. Lightweight knit with a lot of stretch. The acrylic blend adds additional lightweight warmth that is comfortable against the body.

FITTED: Please refer to photo size chart for waist, hips, and length measurements. Meant to be fitted to accomdate wearing under clothes.

Lightweight, 100% lifa technology - superior moisture management

Quick dry technology

Lightweight flexible and durable

Crew neck construction

Made in Thailand

Product Type :COAT

Package Dimension :5.08 cm x 18.288 cm x 34.036 cm

Durable, Moisture-Wicking Fabric: Constructed of 85% microfiber performance polyester and 15% spandex, these thermal shirts for men also feature Intellifresh(tm) odor-control on the fabric technology powered by Silvadur(tm)

Athletic Fit: The perfect long-sleeve workout shirts for men, our men’s thermals feature an extended body and sleeves, a tagless design, and flat seams for a smooth, ultra-comfortable fit

Efficient Design: Long-sleeve undershirt for men features a crew neckline and hemmed cuffs with thumbholes for easy layering; Drop tail maintains coverage without restricting freedom of motion

Breathable, Durable Fabric: Our thermal shirts for women feature a 100% technical fiber polyester interior with SILVADUR(tm) Intelligent Freshness technology and a 70% polyester / 30% Merino wool exterior

Relaxed Fit: Our women’s thermals feature a tagless design and flat seams for a comfortable next-to-skin feeling and enhanced freedom of motion

Efficient Design: Our tagless thermal shirt is equipped with convenient rib cuffs and a drop tail that provides coverage without restricting freedom of movement

LIGHTWEIGHT BASE LAYER - Our base layers are designed for warmth, performance (including but not limited to breathability and moisture management), and wearable comfort. The adventure is yours, we'll keep you warm and comfortable.

RELAXED FIT AND UPF 30+ - Designed with a looser fit that lies gently on the skin without binding. Generally, there is little to no stretch in the fabric. Therefore the silhouette is designed to accommodate movement. Often used in lifestyle wear, as well as for a base layer. Ultraviolet Protection Factor. Sunlight includes rays of ultraviolet (UV) radiation, and Hot Chillys products are designed to help protect you!

WARMTH FACTOR 6/10 - Ranked from Mild to Hot, the Warmth Factor Thermometer tells you how warm each of our products is. Warmth Factor 6 is considered Lighweight and is very popular for cool-weather activities.

【Breathable & Quick-dry】This cycling undershirt designed with big hole mesh, high moisture wicking and venting. Which can quickly removes sweat from your body and helps you stay comfortable and dry during cycling sessions

【 Sleeveless Ergonomic Fit】Special sleeveless cutting let the singlet can be wearing as a layer under any sport clothes.

【Premium Material】lightweight and compression, the high stretch baselayer will give you high performance and exceptional comfort without any itching feelings

Sustainably sourced

Superfine Merino yarn

Natural thermoregulation

You're in the big leagues now. Beef up your cold-weather training kit with the Heavyweight II baselayer leggings for performance layering.

Performance Fit is a body-mapped design, contoured to move with you.

Omni-Heat reflective lining: Metallic lining reflects body-generated heat for improved warmth retention. Backing dissipates excess heat. Membrane comprises 65% of lining for high breathability.

Made of 86% Polyester and 14% Spandex, this New Balance Women's Base Layer Pant will keep you warm and comfortable during all of your activities. Available in mutliple colors and in sizes X-Small, Small, Medium, Large and X-Large.

Super soft and plush, the elastic waistband is non-rolling so there is no need to worry about the waistband folding or collapsing. The spandex material allows for freedom of movement while being comfortable.

Base layer pants feature a 3M reflective pill tape. The logo on the side of the pant and back of calves are also reflective to ensure you are safe and seen during evening activities.

Odor-resistant

Temperature regulating

Will help keep you cool when your intensity amps up, and its design helps minimize chafing

Washing method: Machine wash with like color.

Product details: Lightweight and comfortable fabric, We well-chosen 85% polyester fiber / 15% spandex, light weight, strong breathability, easy perspiration, high elasticity, no wrinkle, good abrasion resistance, smooth feel. rapid absorption and volatile sweat, quick dry, keeps you dry and comfortable.

Design highlights:no bra insert,long sleeve, crew neck, straight hem,seamless look, comfortable fit.

Package length: 4.0 cm

Package width: 29.7 cm

Package height: 35.6 cm

Flat Seam Construction

360 Degree Stretch Jersey And Mesh

Fabric Weight 180 Grams 5.36 Oz