The most advanced, lightweight cup ever. The AirCore™ Athletic Hard Cup is combined of patented 3-layer fusion technology. The outer most layers consist of a compressed foam and fabric shell offering the highest level of comfort. The inner core is a composite co-polymer material for protection. The AirCore Hard Cup is an easy substitute for the traditional hard cup and is ideal for Baseball, Hockey, Lacrosse and MMA athletes. This cup will keep your protected on the field, rink, or court and remain comfortable from warm-up to game time.