Sugoi Firewall LT Glove Main Back Of Hand: 100% Polyester Face, 100% Polyurethane Laminate, 100% Polyester Back, Main Palm, Fourchette and Cuff: 88% Polyester, 12% Spandex, Cuff Gusset: 82% Nylon, 18% Polyurethane Imported Slip-on wrist cuffs fit perfectly without inhibiting movement