Go the extra mile in these tough NiTread woke boots Waterproof cowhide leather upper NiTread technology features N2Gen insole which includes nitrogen encapsulated impact zones in the midsole that absorb shock, then redistribute the energy to reduce foot fatigue throughout the day while helping to extend the life of your boots Oil and slip resistant rubber outsole This boot meets ASTM F2892 safety footwear standards Removable open cell PU Ortholite footbed Justin Men's NiTread 11 Inch WP Work Boot