This comfortable and rugged boot offers fit function and flair. Full-grain waterproof leather upper. 9" shaft height. UltraDry™ construction combines a moisture management lining with waterproof components for dry long-lasting comfort and performance. RPM™ technology offers a breakthrough composite material that significantly reduces the weight of the boot providing extreme comfort and added endurance. Removable polyurethane footbed. Heel-molded counter and steel shank