These hard-wearing Rocky Alpha Force Waterproof Public Service Black Boots are made with black full-grain leather and 1000-denier nylon fabric. Rocky Alpha Force boots are tough work boots built to meet the job at hand. These lightweight, strong fabrics hold up even in the most extreme working conditions. These public service boots have been built with Rocky waterproof construction this creates a barrier that is guaranteed to keep water out, so your feet will remain completely dry. The Air-Port footbed is made from polyurethane and absorbs shock, but always reverts back to its earliest shape. The cushion footbed specifically targets your heel and metatarsal ridge, giving you support and comfort. This boot features a non-marking RigiTrac outsole that provides oil and slip resistance. A side zipper makes it easy to get these boots on and off quickly.