Big Jake® Double Palm gloves are true double palms. The 1712 is made with two layers of select side split cowhide leather in the palm and sewn with super-strong, heat resistant DuPont™ Kevlar® thread for the toughest jobs. It also features an 8 oz. jersey palm lining, 9 oz. cotton canvas back, and a 4.5 Inch rubberized safety cuff. Just Try To Outwork these gloves!