Modern Cotton Bikini Briefs by Calvin Klein Underwear. Crafted from a soft cotton modal blend in a regular waist with tonal stitching throughout. Features branding on the elasticated waistband. Made from a soft cotton modal material for a super soft touch and comfortable feel all-day long. Premium briefs with elasticated waistband, flat lock seams, lightweight, and breathable properties. Signature logo and Calvin Klein Underwear branding. Material composition: 53% cotton, 35% modal, 12% elastane. Machine washable at 30 degrees. This brief is made from a superior quality cotton blend for a streamlined fit with seamless sides for extra comfort. It has a cotton gusset and the Calvin Klein signature logo waistband. Made from 53% Cotton / 35% Modal / 12% Elastane. MPN: f3787e-100. These bikini-style full briefs from Calvin Klein feature a soft stretch construction. Crafted from a quality pima cotton blend, the knickers sit low on the hips for a comfortable fit and feature a branded elasticated waistband which offers a hint of sports-luxe.