Bates 29502 Mens USMC Rugged All Terrain (RAT) Hot Weather Boots 13.5D (M) US Durable full-grain leather topped with a breathable and tear resistant 1000 Denier nylon upper Polyurethane coated leather over toe and heel for increased durability Speed lace system for a quick, secure fit Advanced lug design Vibram 360 outsole with Dri Ice remains flexible even in extreme cold for superior traction Eagle, Globe, and Anchor emblem