Mystic Impact Cap The new Mystic Impact Cap is comfy, light, and durable. This impact cap is ideal for going under a helmet to support the head and increase comfortability while competing in water sporting activities. This cap is extremely flexibility, great support when performing tricks and manoeuvres on waves, in a pool for in a water park. Can be worn by itself for increased support, UV protection and added safety. Features  Flexible Quick Drying Adjustable strap