Black Boxer Briefs NB2616 Calvin Klein Cotton/elastane A Calvin Klein icon. The essential designer boxer brief reinvented in extra-soft cotton stretch. 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. 3 Pack.