Reward your hardworking legs with hardworking warmth. Made with superfine merino wool, these women's Artilect Boulder 125 leggings deliver softness, breathability and a prime warmth-to-weight ratio.

Underwear BottomsBase Layer Bottoms

Premium quality meets outstanding sports performance for the adventurous at heart. The women's Artilect Boulder 125 T-shirt is incredibly soft and holds its shape with an easy fit and no-chafe seams.

Underwear TopsBase Layer Tops

Built to stretch with you and still retain its shape, the women's Artilect Boulder 125 Crew base layer top combines merino wool and nylon for an incredibly soft and durable fabric.

Underwear TopsBase Layer Tops

Combining merino wool and nylon for an incredibly soft and durable fabric, the women's Artilect Boulder 125 Quarter-Zip base layer top stretches with you and still retains its shape.

Underwear TopsBase Layer Tops

Comfy with light support, the Lole Burst bra is crafted from sweat-wicking and quick-drying fabric offered in classic racerback style.

UnderwearSports Bras

High performance in cooler months begins with a great base. Working from the inside out, the women's Craft CORE Dry Active Comfort base layer top is soft, functional and essential to your winter gear.

Underwear TopsBase Layer Tops

Soft, warm, naturally dry and odor-free, merino makes a perfect winter base layer. The Craft CORE Wool Mix base layer set provides comfort and warmth so you can train all day long in colder months.

UnderwearBase Layer Sets

Built with perforated polyamide jersey fabric with printed reinforcements for enhanced pullback and stability, the Craft CTM Distance sport top is more than ready to go the distance.

UnderwearSports Bras

The women's Patagonia Capilene Air base layer bottoms insulate even when wet, dry quickly and resist odors, offering the greatest range of warmth and comfort of any Patagonia base layers.

Underwear BottomsBase Layer Bottoms

What wicks moisture, resists odor and dries in a flash? The women's Patagonia Capilene Air hoodie made from an airy blend of merino wool and recycled polyester.

Underwear TopsBase Layer Tops

With a wool-Capilene® blend that offers the greatest range of comfort of any Patagonia base layers, the women's Capilene Air Crew top insulates even when wet, dries quickly and resists odor.

Underwear TopsBase Layer Tops

Warm, breathable and quick-drying, the women's Patagonia Capilene Midweight base layer bottoms feature HeiQ® Fresh durable odor control for daily use.

Underwear BottomsBase Layer Bottoms

Hitting the sweet spot in weight, breathability and wicking performance, the women's Patagonia Capilene Midweight Zip-Neck base layer top keeps you dry and warm in cold-weather excursions.

Underwear TopsBase Layer Tops

These women's base layer bottoms keep you warm and dry in seriously cold weather during technical alpine routes.

Underwear BottomsBase Layer Bottoms