The C-IN2 Zen Mesh Army Trunk, from the C-IN2 mens underwear line, is an amazingly soft trunk made from a natural stretch rayon from bamboo fabric with great shape-retention. The rayon from bamboo fib... more

Zappos.com is proud to offer the Calvin Klein Underwear - Tech Active Trunk (Tara Red) - Apparel: Handsome underwear for the active gentleman. ; Fabricated from breathable stretch mesh to keep you coo... more

Zappos.com is proud to offer the Calvin Klein Underwear - Tech Active Trunk (Black) - Apparel: Handsome underwear for the active gentleman. ; Fabricated from breathable stretch mesh to keep you cool w... more