Caiman New Cow Split, Poly Back, Combo Cuff, Heatrac Insulated X-Large Extra-large size Cowhide palm that provides great durability for heavy duty work applications Contour to conform to the natural shape of the human hand and provide proper finger alignment 140 gram Headrace micro-fiber insulation for ultimate warmth and comfort Leather reinforcement on the palm and knuckle area for extended wear and protection