The Calvin Klein crepe bikini bottoms are crafted from soft-textured crepe for a sleek, tactile look. They are designed with a medium-rise waist and signature metal detail at the back. Soft-textured crepe. Medium rise waist. Fully lined. Calvin Klein metal detail at the back Calvin Klein Underwear, curated by Reiss, is a collection of lingerie, loungewear, nightwear, and swimwear designed to elevate your wardrobe with refined style and superior comfort.