
Add a touch of sparkle to your workout with this supportive and comfy prAna Luminance bralette. It's made with stretchy ribbed fabric and a sparkle stripe elastic trim.

The Threads 4 Thought Lunette bra is built with crop styling and a racerback to offer just-right coverage that supplies medium support during workouts, and pairs well with high-waisted leggings.

Layered under a pair of pants or on their own, these women's Smartwool Merino 150 Lace base layer bottoms are just the thing for an afternoon of snowshoeing or cool-weather hiking.

Whether 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.

Soft, breathable and naturally odor resistant, the ultrafine merino wool of the men's REI Co-op Merino 185 base layer bottoms is just as beloved while sweating on the trail as sleeping in the tent.

Soft, breathable and naturally odor resistant, the ultrafine merino wool of the men's REI Co-op Merino 185 base layer bottoms is beloved for sweating on the trail—and just sleeping!

Just as beloved while sweating on the trail as sleeping in the tent, the ultrafine merino wool of the women's REI Co-op Merino 185 base layer bottoms is soft, breathable and naturally odor resistant.

Just as beloved while sweating as while sleeping, the ultrafine merino wool of the women's REI Co-op Merino 185 base layer bottoms is soft, breathable and naturally odor resistant.

Hike, bike and even sleep in the men's REI Co-op Merino 185 short-sleeve base layer top. The soft, breathable and naturally odor-resistant ultrafine merino wool makes it an ideal next-to-skin layer.

Soft, 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.

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, thanks to the soft, breathable, naturally odor-resistant merino wool.

Soft, breathable and naturally odor resistant, the ultrafine merino wool of the men's REI Co-op Merino 185 long-sleeve base layer top is beloved while sweating on the trail—and sleeping in the tent.

Soft, breathable and naturally odor resistant, the ultrafine merino wool of the men's REI Co-op Merino 185 long-sleeve base layer top is beloved for both sweating on the trail and just sleeping.

Beloved 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.