Shop Base Layer Clothing @ Kittery Trading Post

Men's Classic Thermal Merino Base Layer Crew Top

Women's Classic Thermal Merino Base Layer Crew Top

Men's Vibe Xtra Soft Comfort Boxer Briefs

Men's Vibe Xtra Soft Comfort (2 Pack) Boxer Briefs

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

Men's Quest Quick-Dry Mesh Boxer Briefs

Men's Volt Breathable Mesh Boxer Briefs

Men's Smooth Flex Light Compression

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

Women's Classic Thermal Merino Base Layer Bottom

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

Men's Harbormaster 2N1

Women's Merino Blend Bralette

Men's Classic Thermal Merino Base Layer Bottom

Men's Intraknit Thermal Merino Base Layer Bottom

Women's Classic Thermal Merino Base Layer Bottom Plus

Men's Classic Thermal Merino Base Layer Colorblock Crew Top

Kids' Classic Merino Blend Base Layer Bottom

Men's Active Boxer Brief

Men's Merino Print Boxer Brief

Women's Merino Bikini