14″ Neoprene Boot with 5mm SBR insulating neoprene rubber boot with 2mm air-meshlining. 100% waterproof. 11″ high rubber overlay for rugged durability. Reinforced toe, instep and heel areas. Shock absorbent, oil resistant, lightweight blown rubber outsole with steel shank. Removable ventilated insole with built-in arch and comfort rated to -40°F.