State-of-the-art jumping boots feature Air Shock cushioning made up of pressurized gas in a tough and flexible polymer bag. The air bag compresses to reduce and spread the force of impact. The air bag then returns to its original shape and volume. The air cushions are lightweight, durable and last the life of the boot.... (read more) The air cushions were designed to work as a system together with the specially shaped strike guard. They remain flexible and will not degrade or weaken over time like foam-only solutions can. High quality fasteners, neoprene lining, vented air holes and anatomical shape make these protective boots one of a kind.