The Men's Rockport Works Waterproof Sport Boots will keep your feet dry during any type of weather with it's hydro-shield waterproof seam sealed construction and a moisture-wicking lining. The removable PU cushion insert with shock diffusion gel of these Rockport boots helps to keep your feet comfortable, while the oil and slip resisting TPU outsole will keep you on your feet. These USPS Letter Carrier favorites are made from 100% full grain leather. Soft toe postal boots are 6 inches high and 100% non-metallic.