Calvin Klein Underwear engineered elastic logo waistband. Bikini silhouette + comes in a 3-pack. Extra soft cotton stretch for flexible, breathable comfort. Full gusset, rear coverage + seaming details. 90% cotton 10% elastane Classic and essential, these Calvin Klein Underwear bikinis come in a 3-pack and are crafted with extra soft cotton stretch for flexible comfort. Designed with a signature repeating logo elastic waistband, a full gusset, rear coverage and seaming details.