Designed in cooperation with the boys at the Metal Mulisha to help protect the internal parts of extreme athletes! Features: Comfortable adjustable elastic Velcro waist belt supports & keeps the protection in place; Vented EVA foam protective underlayer; The most coverage for the lower internal organs than any other suit made; Large arm openings maximize freedom of movement; Dual density vented EVA impact shoulder pads allow a combination of protection & mobility; Back has injection molded high-impact plastic articulated spine armor for helping to protect the spine area; Durable yet comfortable vented mesh main body.