Upgrade your sneaker game with these Calvin Klein sneakers. The upper is made of 100% polyester, excluding the finishes. The polyester used in this product is obtained from the reprocessing of existing materials. Featuring a polyester ripstop upper, comfortable foam insole, polyester mesh lining, ultra-light EVA sole, high-performance technical lacing, and Calvin Klein branding on the side, tongue, heel, and pull tab.