13811 Men's Waterproof Electrical Hazard Composite Toe Footrests High Energy 6" Boot. When choosing between boots, look no further than the Footrests High Energy for long lasting comfort. It's no coincidence our most comfortable shoe is our best selling shoe. The 13560 features the Footrest High Energy comfort system-- EVA/Memory foam footbed with open cell construction for moisture absorption, a polyurethane internal midsole, EVA stability providing insole, and an EVA Foam Heel Cushion. Additionally, the 13811 has a waterproof full-grain leather upper, a waterproof membrane for dry feet and breathability, Dura-Tech Oil and slip-resistant rubber cup outsole, and asymmetrical composite toes.