A go-to base layer for winter play, these Kari Traa Lam base layer pants are a supersoft, supersmooth pair of merino wool leggings with ergonomic lines for a pro-sport look.
Naturally odor-resistant with mesh ventilation to help prevent you from overheating, the women's Kari Traa Lam base layer pants have a supersoft feel for next-to-skin comfort in any season.
Spun from superfine merino wool, the women's Kari Traa Lam long-sleeve base layer top is exceptionally soft, smooth and breathable for easy layering year-round.
With its stretchy, supportive and quick-drying fabric, the prAna Lanya bra keeps you moving through workouts, yoga sessions and warm-weather hikes.
Made with a brushed feel for easy comfort, the Marmot Leda sports bra is ideal for morning spin classes, afternoons at the climbing gym, and any other low-impact workout.
Combining a warm, breathable 100% merino wool exterior with a 100% LIFA® wicking interior, the women's Helly Hansen LIFA Merino Midweight crew top is the perfect base layer for cold-weather pursuits.
Comfy as you warm up, comfy as you cool down, comfy when you break a sweat. The women's REI Co-op lightweight base layer top is ideal for hiking, cycling and even sleeping—especially in the summer.
Comfy as you warm up, as you cool down and when you break a sweat. The women's REI Co-op lightweight base layer top is ideal for hiking, cycling and even sleeping—especially in the summer.
The women's REI Co-op lightweight half-zip base layer top wicks and breathes to keep you comfortable hiking or skiing as you go from cold to warm to overheated and back.
The women's plus-size REI Co-op lightweight half-zip base layer top wicks and breathes to keep you comfortable cold-weather hiking or skiing, as you go from cold to warm to overheated and back.
Comfy as you warm up, comfy as you cool down, even comfy when you break a sweat—the women's REI Co-op lightweight long-sleeve base layer top is ideal for skiing, hiking and lunch break, too.
The women's REI Co-op long-sleeve lightweight base layer crew top wicks, breathes and stretches for comfort through every temperature change as you hike or ski the day away.
The women's REI Co-op lightweight base layer tights keep your comfort level high from the first cold steps of morning to the sweaty joy of working your way up a steep trail.
The women's plus-size REI Co-op lightweight base layer tights warm you in the morning chill, then wick and breathe to keep you cool as you work your way up a hot afternoon trail.