These Heated 8'' Insulated Waterproof Boots feature: Full grain leather upper, moisture wicking nylon mesh lining, direct attach polyurethane midsole with durable rubber bottom, EVA cushion footbed, air suspension extra heel cushioning, Ladder Latch 90 Celsius degree heel, no metal, 3M thinsulate, Hydrotex waterproof system, electrical hazard protection, composite toe. F2413 safety standards. Iron Age. The very name conveys long-lasting, reliable strength, quality, durability and affordability. It's about doing it with style and comfort, adding high-end touches like leather uppers, without the high-end price tag. Material: Leather, Rubber.