Buy the latest Calvin Klein Underwear at the official online store. Shop a wide selection of CK Underwear for Men and Women. Get a free shipping* now. Alle Preise inkl. der gesetzl. MwSt. Die durchgestrichenen Preise entsprechen dem bisherigen Preis bei Zalando. Calvin Klein Underwear. No examination of contemporary men's underwear would be complete without mentioning the name Calvin Klein underwear. His bold and provocative advertising brought the subject of men's underwear out into the open in the mid-eighties.