9 Ounce Kevlar Interlock Liner. 1.5mm Neoprene and Nylon Spandex Top. PosiGrip Non-Skid Material In Cradle Of Hand. Digitized Synthetic Leather Palms. Ergonomic Cut For Secure Fit. Terry Cloth Outer Thumb. The Laminated Backs Allow Air Circulation To Keep You Cool and Provide A Snug Fit Without Hindering Dexterity. The Outer Thumb Areas Have Terry Cloth For Wiping Away Perspiraion. Hook and Loop Closures Keep The Gloves Firmly In Place. 100% Kevlar with Synthetic Leather Protection On Palm and Fingers. Posi-Grip Non-Slip Cradle. Neoprene and Spandex Back Elasticized Cuff. Velcro Closures. SGK100.