MTX 17 INSULATED BOOT 1600G MOSSY OAK BOTTOMLAND SIZE 11DThe 60 to 30F comfort rating of our MTX 17 Inch 1600 Gram Insulated Boots makes them ideal for late season hunts in extreme conditions. Durable and incredibly flexible their combination 5mm neoprene and hand crafted vulcanized rubber construction resists aging naturally traps and retains body heat and controls odor. With the addition of 1600 grams of Muddy insulation in the toe boxes youll enjoy plenty of extra warmth through the coldest conditions.