Waterproof over the sock boot made of hand laid premium, natural rubber with removable EVA footbed. Comfort rated from -20 to 60°F. Feature 5 mm neoprene insulation and moisture wicking, quick drying polyester jersey liner. Multilayer rubber on toe and heel plus a shin guard for added protection. Outsole features vulcanized construction for extra durability and a lug pattern with more surface area for more grip. Active fit to keep foot secure and comfortable while on the move. 16 height. Black. Men s sizes.