Womens Base Layer Tops
Lightweight Base Layer Crew Top - Women's
REI Co-opComfy 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.
Lightweight Base Layer Crew Top - Women's Plus Sizes
REI Co-opComfy 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.
Lightweight Base Layer Half-Zip Top - Women's
REI Co-opThe 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.
Lightweight Base Layer Half-Zip Top - Women's Plus Sizes
REI Co-opThe 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.
Lightweight Base Layer Long-Sleeve Crew Top - Women's
REI Co-opComfy 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.
Lightweight Base Layer Long-Sleeve Crew Top - Women's Plus Sizes
REI Co-opThe 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.
Lucie Long-Sleeve Base Layer Top - Women's
Kari TraaProviding lightweight warmth and natural temperature regulation, the Kari Traa Lucie Long-Sleeve base layer top is made from fine merino wool and designed to layer smoothly under your jacket.
Merino 150 Lace V-Neck Base Layer Top - Women's
SmartwoolWhether you wear it on its own or as a base layer, the women's Smartwool Merino 150 Lace V-Neck short-sleeve top is designed for comfort when you're on the move.
Merino 185 Base Layer Top - Women's
REI Co-opSoft, breathable and naturally odor resistant, the women's REI Co-op Merino 185 short-sleeve base layer top is an ideal next-to-skin layer for hiking, cycling and even sleeping.
Merino 185 Base Layer Top - Women's Plus Sizes
REI Co-opThe women's REI Co-op Merino 185 short-sleeve base layer top is an ideal next-to-skin layer for hiking, cycling and even sleeping, thanks to the soft, breathable, naturally odor-resistant merino wool.
Merino 185 Long-Sleeve Base Layer Top - Women's
REI Co-opBeloved while sweating on the trail—and sleeping in the tent—the ultrafine merino wool of the women's REI Co-op Merino 185 long-sleeve base layer top is soft, breathable and naturally odor resistant.
Merino 185 Long-Sleeve Base Layer Top - Women's Plus Sizes
REI Co-opBeloved while hiking, biking and even just sleeping, the ultrafine merino wool of the women's REI Co-op Merino 185 long-sleeve base layer top is soft, breathable and naturally odor resistant.
Merino 185 Long-Sleeve Half-Zip Base Layer Top - Women's
REI Co-opNaturally odor resistant, the ultrafine merino wool of the soft, breathable women's REI Co-op Merino 185 long-sleeve half-zip base layer top is ideal for sweating on the trail—and sleeping in a tent.
Merino 185 Long-Sleeve Half-Zip Base Layer Top - Women's Plus Sizes
REI Co-opFor everything from sleeping to sweating on the trail, the ultrafine merino wool of the women's REI Co-op Merino 185 long-sleeve half-zip base layer is ideal. It's soft, breathable and odor resistant.