Machine Wash Cold COTTON STRETCH: Spun in pure, premium cotton yarn with a hint of Spandex fibers, Calvin Klein’s signature men’s underwear wicks away moisture to keep you cool and dry. SUPPORT + COMFORT: Featuring a functional fly and contoured pouch for a supportive fit, Calvin Klein’s mens boxer briefs have a soft, flexible logo waistband that stays put without too much compression and retains its shape, wear after wear. SIGNATURE FIT: Designed with a full rise, a waist that sits the above hip, and a longer leg line that sits low on the thigh. A Calvin Klein icon. The essential designer boxer brief reinvented in extra-soft cotton stretch. Made with wicking to keep you cool and dry. Designed with the original Calvin Klein logo waistband, this is a sporty look that feels sexy everyday. With a supportive pouch and longer leg line, this is our best selling style.