NIKE W VAPOR FG.Features:- Low-density foam in targeted areas and lightweight material for enhanced flexibility, Open-back design helps disperse heat so your hand stays dry, Adjustable hook-and-loop wrist closure.Composition:PALM:48% NYLON, 15% POLYESTER, 32% POLYURETHANE, 5% PU FOAM.BACK:92% POLYESTER, 8% SPANDEX.OTHER:48% NYLON, 26% POLYESTER, 13% POLYURETHANE, 9% TEXTILE, 4% SPANDEX.