Calvin Klein Stunning Limited Edition Brief from the Neon Hazard range. in Grey with striking Orange Neon Finish, Logo accented embroidered waistband for a bold look. Classic fit Fabricated in a premium stretch soft Breathable Cotton, classic Hip brief size Extra Large 40-42 inch 102-107 cm Waist. Calvin Klein was the first to define leading men's designer underwear, and still leads the way.