Best Short Sleeve Womens Active Base Layers in 2026

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.

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.

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.

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.

100 % MERINO WOOL | From Australia | 17.5 micron. 160 gsm. 88 NM/2 | Super soft and comfortable | Merino wool is machine washable| HANG TO DRY| Versatile and warm | Three-season crew neck Thermal | Perfect for Camping, backpacking and running | essential part of your outdoor gear |100 % MERINO WOOL | From Australia | 17.5 micron. 160 gsm. 88 NM/2 | Super soft and comfortable | Merino wool is machine washable| HANG TO DRY| Versatile and warm | Three-season crew neck Thermal | for Camping

WICK FREE | CRAFTED TO FIT: Sizes XS to L in a regular fit | Designed with Extra length from the Back | Outfitting anyone from the Hard-at-Work to the Hard-at-Play | complementing and forgiving fit |

BREATHABLE AND SUPER SOFT | Keeps you cool in summer and warm in winter | 160 gsm .88 NM/2 weight | interlock-knit Merino wool | used as a base layer | EASY CARE: Ultralight-weight long sleeve crew top shirt is machine-washable on cold setting | Best if hang dry | safe to tumble dry on low heat with like colors |

PACKAGE INCLUDES: 1 – Women’s Merino Wool Thermal Underwear Leggings in Gray Heather / Small | MATERIAL: 18.5 Micron, 100% Merino wool, 250g/m2 | FIT: Next-to-Skin

SUPER SOFT: 100% all natural superfine 18.5-micron Merino wool ensures comfort all day long – no itch! COMFORTABLE & CONVENIENT: Quick-drying merino wool legging bottom features a loop for hang drying while you’re camping, hiking, hunting, working, playing sports, skiing, snowboarding, or partaking in any outdoors activity.

BREATHABLE: Keeping you cool in summer and warm in winter, MERIWOOL’s 250g/m2 weight inter-lock knit Merino wool can be used as a base layer or mid-layer, but won’t weigh you down. EASY CARE: Your women’s base layer legging pants are machine-washable on cold setting and safe to tumble dry on low heat with like colors, so they're ready when you are for your next adventure.

【Feature】- Hitting the gym? Our full-length and cropped leggings will wick away sweat as you train with zoned compression. When feeling nothing is everything. YIVISE Womens Workout Collection. From shorts and leggings to sweatpants and trousers, our women's bottoms are here for you whether you're running, training, stretching or relaxing. Max out your stride in loose-fitting shorts with pockets for storage, or focus on your yoga practice in a tighter pair that will free you from distraction.

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A unique 2-in-1 base layer with 100% merino wool exterior and 100% LIFA Stay Warm Technology interior

LIFA: LIFA is the original Helly Hansen base layer made of 100% LIFA fibers, providing warmth and insulation in cold weather. LIFA naturally pulls moisture away from skin and to the outer layer of the garment keeping you warm, dry and comfortable.

FEATURES: 2-layer construction, 100% Merino Wool exterior, 225g LIFA Merino fabric, Non-itch, Flat lock seams

【Feature】- Hitting the gym? Our full-length and cropped leggings will wick away sweat as you train with zoned compression. When feeling nothing is everything. YIVISE Womens Workout Collection. From shorts and leggings to sweatpants and trousers, our women's bottoms are here for you whether you're running, training, stretching or relaxing. Max out your stride in loose-fitting shorts with pockets for storage, or focus on your yoga practice in a tighter pair that will free you from distraction.

【Feature】- high waisted active shorts black shorts tight shorts mens jersey shorts white high waisted bell bottom jeans corduroy shorts designer shorts hot yoga pants baggy shorts high rise shorts ripped jean shorts boyfriend shortsripped denim shorts yoga pants linen shorts romper shorts jumpsuit shorts mini shorts tight yoga pants shorts knit shorts petite sweatpants black shorts walking shorts hot shorts leggings shorts white jean shorts bikini workout pants vintage shorts tactical shorts

men's soft cotton casual long sleeve pullover crewneck sweater matching family pajamas sets christmas pj's with christmas print long sleeve tee and plaid pants loungewear shirts tide hip hop t shirt cotton casual crew neck short sleeve tee tops for men women pants casual shorts cargo flat front denim pleated shorts active active hoodies active sweatshirts track active active shirts active vests active pants active shorts active base layers active underwear tees 2021 mens shirt golf dress

100% Merino wool fabric made with an interlock knit for enhanced comfort, breathability, thermoregulation, and odor resistance

Fit updated to improve functionality while enhancing aesthetics for a range of body shapes

Back body seam wraps to front for body-enhancing fit, Crew neck with raglan sleeves

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

SUPER SOFT & COMFORTABLE – 100% Superfine 17.5 Micron women merino base layer set provides all day comfort and no itch! Designed for daily wear without rubbing, overheating, or bunching of regular cotton.

MOISTURE WICKING & ODOR RESISTANT – Natural wicking and odor-resistant properties of thermal underwear merino wool women allow it to absorb moisture better than any other fabric, keeping you dry and fresh.

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

SUPER SOFT & COMFORTABLE – 100% Superfine 17.5 Micron women merino base layer set provides all day comfort and no itch! Designed for daily wear without rubbing, overheating, or bunching of regular cotton.

MOISTURE WICKING & ODOR RESISTANT – Natural wicking and odor-resistant properties of thermal underwear merino wool women allow it to absorb moisture better than any other fabric, keeping you dry and fresh.

Material: 52% merino wool, 21% Tencel, 20% polyester, 7% spandex

Insulation Weight: midweight

Fit: form-fitting

PERFORMANCE BASE LAYER. Designed to work with a body in motion, this legging provides a supportive fit for performance and training. Mesh ventilation seamlessly knit in gender-specific zones keeps you dry and comfortable during high-intensity activities.

SLIM FIT. Designed to meet the demands of outdoor adventuring, this slim fit base layer shows off a slimming silhouette while offering unrestricted movement through the arms and chest.

INTRAKNIT ACTIVE MERINO. Built for high-intensity aerobic activities, this lightweight, packable layer balances warmth and breathability with body-mapping to help you train comfortably. When you're battling the wind, this is all you need to get there.

100% Merino wool fabric made with an interlock knit for enhanced comfort, breathability, thermoregulation, and odor resistance

Fit updated to improve functionality while enhancing aesthetics for a range of body shapes

Back body seam wraps to front for body-enhancing fit, Crew neck with raglan sleeves

WARM WEATHER APPAREL. Work up a sweat but still feel cool in this short sleeve tee. It combines the benefits of Merino wool—thermoregulation, moisture-wicking and moisture management—with Tencel performance fabric for soft, lightweight comfort.

REGULAR FIT. Designed to meet the demands of outdoor adventuring, this regular fit base layer t-shirt offers room to move throughout the silhouette without any additional bulk.

ACTIVE ULTRALITE MERINO. Best for warm weather and blended from Merino and Tencel, this performance fabric is designed to help you stay cool and comfortable while working up a sweat — combining breathability and quick dry times.