Shop Base Layer Clothing @ Backcountry

Women's Intraknit Thermal Merino Base Layer Crew Top

Men's Classic All-Season Merino Base Layer Long Sleeve Top

Men's Classic All-Season Merino Base Layer Bottom

Men's Vibe Xtra Soft Comfort Boxer Briefs

Men's DropTemp Cooling Cotton Boxer Briefs

Women's Merino 150 Siren Bra Inserts

Men's Multi-Sport Mesh Boxer Briefs

Men's Daytripper Comfort Stretch Boxer Briefs

Women's Merino Blend 125 Cool-Lite Sprite Racerback Bra

Women's Merino 150 Siren Hipkini

Women's Merino Blend Bralette

Women's Everyday Merino Bikini

Men's Classic Thermal Merino Base Layer 1/4 Zippers Top

Women's Merino Queens Clasp Bra

Women's Active Crop Bra

Women's Everyday Merino Thong

Women's Merino 150 Siren Bikini

Women's Merino 150 Siren Thong

Men's Merino 150 Anatomica Boxers wFly

Women's Merino 200 Oasis LS Crewe

Men's Merino 150 Anatomica Boxers

Women's Merino Blend 260 ZoneKnit Seamless Bra

Men's Echo Boxer Briefs

Men's Merino 200 Oasis LS Crewe

Men's Brief

Women's Classic All-Season Merino Base Layer 1/4 Zippers Top

Men's Multi-Sport Mesh (2 Pack) Boxer Briefs

Men's Merino 150 Anatomica Briefs

Men's Merino Blend 125 Cool-Lite Anatomica Boxers

Men's Intraknit Thermal Merino Base Layer Crew Top