Men’s briefs Men’s striped underwear made from nylon/spandex Machine wash Imported Calvin Klein underwear style U8515 Sport the latest look from Calvin Klein underwear with these awesome men's briefs. Featuring modern stripes with a subtle ombre effect, the Calvin Klein CK One Micro Hip Briefs turn an ordinary underwear collection into something extraordinary. The briefs are made from a blend of nylon and spandex, offering the exceptional comfort and fit you expect from Calvin Klein Underwear.