Our Hurricane Series boots are amazing in design, performance and comfort. The unique design delivers the wearer the best experience. Full grain WATERPROOF leather upper, dual density midsole for flexibility, comfort and energy return, breathable open cell orthotic with Otholite. Waterproof membrane bootie. Omni-directional tread design for multi-directional grip. Anti-microbial lining. Oil, heat and slip-resistant rubber outsole. Internal Metatarsal Guard meets ASTM MT75 standards. 60 DAY COMFORT GUARANTEE.