Calvin Klein Underwear's matte black briefs are cut from smooth, lightweight stretch-satin with tulle trims. Ideal for every day, this streamlined pair will work perfectly with the matching contour bra or push-up bra. - Black stretch-satin - Elasticated waistband and trims, tulle inserts, lined at base - Fabric1: 82% nylon, 18% elastane; fabric2: 79% nylon, 21% elastane - Machine wash