The FS33 is a Flexible and Rugged Waterproof Safety Boot with a leather upper, an anti-penetration steel midsole and a steel toe cap.- Water Resistant Full Grain Nubuck Leather Upper- Internal Waterproof Membrane- Moulded Rubber Toe Guard for Extra Durability- Moulded Rubber Heel Counter for Enhanced Heel Support and Protection- Padded PU Collar for Extra Comfort- Leather Pull on Tab- Comfortable, Cushioned and Removable PU Footbed- Phylon Midsole Enhances Comfort and Shock Absorption- Rubber Outsole Heat Resistant to 300 Degrees- Oil Resistant Outsole