Exceptional value and comfort across safety and non-safety footwear. Dickies - continues to be a reliable brand. This Grinder 6'' Boot features full grain waterproof leather upper with waterproof membrane, padded collar and tongue, durable, abrasion resistant nylon panel, fully lined with breathable, moisture wicking mesh lining to keep feet dry and warm, premium shock absorbing dual density PU/PU comfort insole, flexible, oil and slip resistant rubber outsole, traditional Goodyear welt construction, ASTM F2413-11 steel toe and electric hazard protection. Material: Leather, Rubber.