Best Womens Ski 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.

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.

UA Base 2.0 Active Baselayer is lightweight, flexible & breathable for high activity performance in cool conditions

UA Scent Control Technology to keep you undetected in all pursuits

Soft, brushed grid interior traps air against your skin, closely managing your body's microclimate to keep you warm & comfortable

Moisture-Wicking Fabric: Made of 85% microfiber polyester and 15% spandex with Silvadur Intelligent Freshness, our thermal shirts for women help control odor to keep you fresh and dry

Athletic Fit: The perfect long-sleeve baselayer shirt for women, the Quest features a tagless design, flat seams for a smooth and close ultra-comfortable fit

Efficient Design: Long-sleeve undershirt for women features raglan sleeves with thumbhole cuffs for easy layering; Drop tail maintains coverage without restricting freedom of motion

Lightweight, 100% lifa technology - superior moisture management

Moisture-Wicking Fabric: Constructed of 85% technical fiber polyester and 15% spandex, these thermal leggings for women also feature Intellifresh(tm) Powered by Silvadur(tm)

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

Efficient Design: Long-sleeve undershirt for women features a quarter-zip mock turtleneck, hemmed cuffs with thumbholes for easy layering; Drop tail maintains coverage without restricting freedom of motion

Lightweight, 100% lifa technology - superior moisture management

FOR GIRLS, BY GIRLS - Sportswear designed to fit the female body perfectly. Our baselayers are designed using body-mapping and should be worn next-to-skin. For optimal warmth, we recommend choosing your normal clothing size. If you want a looser fit you should go up one size

BUILT FOR ADVENTURING - Made with a blend of 91% Polyester and 9% Elastane, this women’s long sleeve thermal shirt offers a combination of durability and 4-way stretch for your high performance adventures

SOFT AND WARM - The premium synthetic fabric of this half zip base layer top also ensures optimal warmth and comfort, with a super-cozy brushed inside and a snug fit

Our 2-layer system enables maximum moisture management while keeping you warm all season long

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, Excellent moisture management properties, LIFA fibers interior, Wicking polyester exterior, Flat lock seams

4-way stretch fabric enhances comfort and mobility

Insulating and wind resistant material keeps the heat in and the cold out

Wicking technology pulls moisture away from the body, leaving you drier and warmer

Seamless construction

High Low knit textures add dimension

Next-to-skin fit hugs the body

Women's-specific contoured waistband; Four-way stretch fabrication for enhanced mobility

Living Lining helps regulate your temperature; Quick-drying and highly breathable; Chafe-free softlock seams for added comfort

UV Protection - With UV protection of UPF50+

Sun Blocking, Lightweight, Breathable, Quick Dry

Lightweight - Easy to pack and go. Great for traveling

100% RECYCLED TECH FABRIC for low ECO impact

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

Insulation Weight: midweight

Fit: form-fitting

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