Caiman New Black Deerskin Palm, Fleece Back, Heatrac Insulated Medium Medium size Soft and supple genuine American whitetail deer split leather palm that provides excellent comfort and dexterity Contour gloves conform to the natural shape of the human hand and provide proper finger alignment achieving unprecedented comfort and dexterity 100 grams of Headrace micro-fiber insulation for ultimate warmth and comfort Leather face thumb design covers the entire face of the keystone thumb eliminates the seam on wear area for added durability and comfort