The Caterpillar Propulsion Waterproof Composite Toe work boot has an updated style design and a modern construction that provides all the safety protection, underfoot support, and outsole grip you need to feel confident while youre on the job. Style numbers: P91148 (Black Nubuck) and P91149 (Medium Charcoal Nubuck). Lace-up work boot with a composite safety toe that is ASTM F2413-11 I/75 C/75 rated, which protects against impact or compression. EH rated ASTM F2413-05 1/75 protects the wearer against open circuits up to 600 volts in dry conditions. Full grain leather upper. Cement construction for long-lasting durability and comfortable flexibility. Nylon mesh and NXT linings provide both added breathable comfort and an odor-free foot environment. Cushioned PU Foam footbed provides supportive underfoot comfort. DUOFUSE midsole provides comfortable underfoot support and superior shock absorption. Lightweight nylon shank provides added support and stability. SRX Best-in-Class, slip-resistant rubber outsole reduces the risk of slips and falls on low tractions surfaces. Imported. Weight of footwear is based on a single item, not a pair.