20 S13ATA PE4 VEL ATA® HPPE Blended Sleeve with Hook and Loop Closure PPE Ultra Cool™ 100% polyester mesh back Color:Black I O Ultra Cool™ 100% polyester mesh back and sides with lightweight solid front becomes softer with use and withstands moisture without stiffening Fabric back provides breathability and flexibility 120 gram natural color thermal lining provides superior insulation without the bulk of fleece Wing thumb increases comfort in open handed work Gunn cut pattern delivers excellent durability a cool wearing HPPE blend with elastane plaiting providing excellent stretch and memory retention Premium V Slot with a Velcro hook and loop closure at the top of the arm accommodates most arm sizes with a snug