Tillman Medium Black 30" Heavy Duty Top Grain Cowhide Onyx Welding Jacket. 1 EA Premium, all black, top grain cowhide provides increased durability against wear and tear.Underarm gussets allow for easier movement, satin lined sleeves allow for easier on/off.Each jacket is sewn entirely with Kevlar thread for heat resistance and strength.Soapstone and outside pockets offer storage for key items.