Code 6 is our lightest, most breathable boot offering dependable durability and proven performance. It features a lightweight upper with a TPU enhanced print, breathable vapor mesh tongue, padded collar and ergonomic flex points, and V-fit comfort lacing system. It has a YKK nylon side zipper with a neoprene hoodie, dual density removable cushioned insert, and lightweight Phylon midsole. It also has a slip resistant rubber outsole and external shank with athletic cement construction. This footwear has passed the SATRA WTM 144 test for slip resistance.