Maelstrom(R PATROL 6'' Black Waterproof Tactical Duty Work Boots with Zipper - P1360Z WP Size 4 Medium Leather Imported Water-resistant polish-able leather and nylon upper; Padded collar and tongue for extra comfort Dri-Lex(R) breathable waterproof membrane liner with a full bootie construction (Guaranteed Waterproof) Slip, oil-resistant rubber outsole; Removable high performance Shock-absorbent cushion insert Curved side zipper with closure for fast on/off; Composite shank for stability and support One year manufacturer warranty. Sizes run true