Caterpillar - Pneumatic Steel Toe (Black) - Men's: Fabulous mens hi-tech lace-up, steel toe boot. Featuring waterproof full grain leather upper. Drilex/nylon mesh lining. Micro fiber covered, removable, and dual density PU sock lining. PU injected midsole. Puncture Resistant outsole. T629 rubber outsole. Direct injection construction.