35% Ethylene Vinyl Acetate, 30% Acrylonitrile Butadiene Styrene, 20% Polyester, 10% Polyurethane, 5% Nylon Imported Hinge system allows arms to move freely Internal forearm sleeve with bicep hook and loop strap closure Fully vented elbow with nested D3O armor dampening Injection molded plastics for comfort and safety Compression molded liner for superior comfort