Caiman Blue Deerskin, Heavy Insulation, Welding-Revolution X-Large Extra-large size Supple deer suede palm features double stitched padding and a wear-patch Large pulse protector Insulated with HeatFlect aluminized film with full sock-insulation with flame resistant foam/fleece Exclusive 3-dimensional pre-curved fingers and a form-fitting design for ultimate fit, comfort and dexterity