Calvin Klein Mens Underwear Cotton Stretch 3-Pack Men's Boxer Trunks, All Black A value three pack of cotton stretch trunks. Pouch front. Calvin Klein Signature logo waistband This Calvin Klein Underwear is made from 95% Cotton / 5% Elastane MPN: u2662g-xwb Our Collection at Boxers and Briefs contain only the highest quality Calvin Klein Mens Underwear.  One of our most popular ranges is the Calvin Klein Cotton Stretch 3 Pack Trunk range. In this range we have the All Black Calvin Klein Cotton Stretch 3-Pack Trunk and these range from size Small to Extra Large.