Best M Womens Base Layers in 2026

Stay comfortable all day long with our lightweight and quick-dry fabric that wicks moisture away from your skin.

Protect your skin from the sun's harmful UVA/UVB rays with our UPF 50+ fabric.

Say goodbye to chafing with our flatlock seamlines and tagless collar that increase comfort.

LIGHTWEIGHT – Womens Merino Base Layer Available in: Lightweight = 165 g/m², Midweight = 250 g/m². FREE MERINO WOOL HIKING SOCKS ($21 VALUE!) – Package includes Women Merino Wool Base Layer Top Lightweight 165 g/m² + Wool Socks. Cool Packaging! MAKES A GREAT GIFT!

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

MOISTURE WICKING & ODOR RESISTANT – Merino wool base layer women lightweight natural wicking and odor-resistant properties allow it to absorb moisture better than any other fabric, keeping you dry and fresh.

Omni-Wick, Vented, Utility loop, Rod holder

Omni-Shade UPF 50 sun protection

Omni-Wick, Vented, Utility loop, Rod holder

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

Machine wash cold, Import

【Micro Fleece Lined】 90% Polyester, 10% Spandex.

【Ultra Soft & Warm】 Thermal tech fleece fabric of the baselayer caresses the skin so naturally providing maximum comfort and softness.

【Stretchy & Durable】 Spandex added for extra stretch and shape retention; close-fitting style does better in retaining body heat to keep you warm.

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

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.

Design for Multiple. Beat the chill, trap the heat, fleece lined for the cold.

Soft thermal fleece lined brick the wind and keep you warm. 4-Way stretch, moderate compression.

28'' inseam, full length leggings, intended to sit at ankle.

Quick dry & lightweight fabric on the back combine with soft & stretch fabric on the front can wicks moisture away from the skin, and keeping you dry and comfortable all day.

Design: 2 special hidden window design on wrist allows you to check your watch or fitness tracker anytime without pull the thumbhole off. Long-raglan sleeves with thumbhole can keep the sleeves in place and give extra coverage to stay safe in the sun.

Zipper Pocket: Right side pocket with hidden zipper can keep your cash and keys safe, and holds 5.5" mobile phone for secure storage.

WARM MIDWEIGHT base layer for all cold weather activities

SUSTAINABLY CRAFTED from 100% recycled fibers

ZEROSCENT technology engineered into the fabric helps you stay fresh

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.

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.

WARM MIDWEIGHT base layer for all cold weather activities

SUSTAINABLY CRAFTED from 100% recycled fibers

ZEROSCENT technology engineered into the fabric helps you stay fresh

MIDWEIGHT – Womens Merino Base Layer Available in: Lightweight = 165 g/m², Midweight = 250 g/m², Heavyweight = 320 g/m². FREE MERINO WOOL HIKING SOCKS ($21 VALUE!) – Package includes Merino Wool Base Layer Women Wool Leggings Midweight 250 g/m² + Merino Wool Hiking Socks. Cool Packaging! MAKES A GREAT CHRISTMAS GIFT!

SUPER SOFT & COMFORTABLE – 100% Superfine 18.5 Micron Womens Merino Wool Pants provide all day comfort and no itch! Designed for daily wear without rubbing and overheating of regular cotton.

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

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.

➤BUTTERY SOFT FABRIC: Made of a combination of polyester and spandex, Ultra softness but compressive, thick enough to be non-see-through but still breathable, 4 way stretchy and does not go out of shape easily.

➤TWO SIDE POCKETS: ODODOS women's workout shorts provide two large side pockets that can fit for cards, keys and your smartphone while you work out at the gym when you are doing exercise.

➤HIGH WAIST & TUMMY CONTROL DESIGN: Designed with high rise band, which can perfectly control the abdomen and provide plenty of coverage when bending & stretching. The gentle compression makes you feel covered and gives you a flat, streamlined look.

Heat Retention: Thermajane womens thermal underwear keeps your body heat from escaping. They provide extra warmth and coziness to make a perfect everyday baselayer.

Ultra Soft: Our womens thermal tops are lined with fleece for extra softness against your skin. They’ll protect you from the cold for added comfort.

Moisture Wicking: While at home or at work, our thermal undershirt women will keep you dry and odor free. No matter the activity, you’ll stay confident all day.

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

Seamless fabric: Breathable, moisture-wick and four-way compression stretchy fabric with less friction to keep you dry and comfortable.

Athletic round neck raglan long sleeves with thumbholes to protect your hands and keep the sleeves in place.

Knitted seamless design reduces friction for a soft touch that's gentle on your skin.

Material: Soft, Sleek, Lightweight, Breathable Polyester Fabrics

Quick Dry:Breathable, Lightweight, Quick-Drying Fabric Actively Wicks Moisture Away from the Skin, Keep You Cool and Dry and Comfy in Running, Hiking.

UV Protection: The Fabric Rating UPF 50+ Protects Your Skin from the Harmful UVA/UVB Rays, Keeping You Cool.

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

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

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.

Suitable for all sports,yoga,running,gym,fitness,workout,basketball travel and casual life etc,it's a great gift for your family and friends

85% Polyester / 15% Spandex，Quick drying cloth material.

High-quality workmanship,4 pin 6 line cover stitch,tight fitting,show a perfect curve,fit the skin,Provides a comfortable feeling

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

NATURAL body temperature control

NATURAL anti-odor control

Moisture-Wicking Fabric: Long johns for men feature a 100% CPT Performance polyester interior and 70/30 polyester/merino wool exterior with Silvadur Intelligent Freshness for odor control

Regular Fit: Our men’s long underwear boasts a tagless design for a smooth, ultra-comfortable fit; Front and back rise come in true sizing for accurate fit

Efficient Design: Our men's thermal underwear features convenient gussets and a comfortable non-itch waistband that maintains coverage and allows for freedom of motion during various activities

Thermal Fleece Lined Cold Weather Gear. Keep you warm＆comfortable in cold weather outdoor activities.

Breathable, soft-stretch fabric provides you wide range of mobility. Flat-seam reduces skin chafe, move smoothly against skin.

Mock Turtle-neck construction for added coverage＆warmth. Neither too tight nor loose on the neck. Streamlined Slimming waist Cut. Length long enough to cover the hips.