Calvin Klein Underwear - Underpin your looks with sophisticated style courtesy of Calvin Klein Underwear's black Luxe trunks. They're crafted from an ultra-soft jersey blended from cotton, modal and a hint of stretch and are infused with moisture-wicking technology for all-day comfort. Note the iconic logo-jacquard waistband that emits a subtle sheen. Fits true to size. 5%ELASTANE/49%MODAL/45%COTTON/6%ELASTANE/64%NYLON/25%POLYESTER/11%ELASTANE