Merino Bikini Underwear - Women's
REI Co-opStay dry on the trail in the soft, breathable and naturally odor-resistant REI Co-op Merino Merino Bikini Underwear for women. They're made to keep you comfy throughout the day.
Merino Boxer Briefs - Men's
REI Co-opStay dry on the trail in the soft, breathable and naturally odor-resistant REI Co-op Merino Boxer Brief Underwear for men. They're made to keep you comfy throughout the day.
Merino Boxers - Men's
REI Co-opStay dry on the trail in the soft, breathable and naturally odor-resistant REI Co-op Merino Boxers for men. They're made to keep you comfy throughout the day.
Merino Bralette
REI Co-opMove with ease and layer to your heart's content with the the low-impact REI Co-op Merino Bralette, made with a sweat-wicking merino wool blend and ready for the day ahead.
Merino Hipster Underwear - Women's
REI Co-opStay dry on the trail in the soft, breathable and naturally odor-resistant REI Co-op Merino Merino Hipster Underwear for women. They're made to keep you comfy throughout the day.
Merino Midweight Base Layer Bottoms - Kids'
REI Co-opIdeal for cold weather, the kids' REI Co-op merino midweight base layer bottoms are soft—not scratchy—naturally regulate temp and made with wool that's certified to the Responsible Wool Standard.
Merino Midweight Base Layer Top - Kids'
REI Co-opOh so soft and not itchy, the kids' REI Co-op merino midweight base layer top is an ideal first layer for cold weather. It naturally regulates temp and is certified to the Responsible Wool Standard.
Merino Thong Underwear - Women's
REI Co-opAvoid panty lines on the trail in the soft, breathable and naturally odor-resistant REI Co-op Merino Merino Thong Underwear for women. They're made to keep you comfy throughout the day.
Merino Wool Expedition Hiking Crew Socks
REI Co-opHike cold, snowy trails with confidence in the REI Co-op Expedition Merino Hiking crew socks. Their thick cushioning keeps feet warm and the wool blend is naturally breathable and odor-resistant.
Merino Wool Lightweight Flash Crew Socks
REI Co-opThe REI Co-op Merino Wool Lightweight Flash Crew Socks are our most popular summer-weight hiking socks for good reason—they're naturally breathable, sweat wicking, quick drying and odor resistant.
Merino Wool Lightweight Flash Quarter Socks
REI Co-opThe REI Co-op Merino Wool Lightweight Flash Quarter Socks are our most popular summer-weight hiking socks for good reason—they're naturally breathable, sweat wicking, quick drying and odor resistant.
Merino Wool Lightweight Hiking Crew Socks
REI Co-opThe REI Co-op Merino Wool Lightweight hiking crew socks are our most popular summer-weight hiking socks for good reason—they're naturally breathable, sweat wicking, quick-drying and odor-resistant.
Merino Wool Lightweight Hiking Quarter Socks
REI Co-opBare a little more skin for a little cooler hike with the REI Co-op Merino Wool Lightweight hiking quarter socks. Naturally breathable, moisture-wicking and odor-resistant, they cushion every step
Merino Wool Liner Crew Socks
REI Co-opWear 'em under your hiking socks to reduce friction on multiday trips, or wear 'em alone for summer day hikes. The REI Co-op Merino Wool liner socks put a layer of comfort between you and the trail.