The all new Mystic MK8 X series helmet is the future in protection, suitable for all watersports. The all new Mystic MK8 X series helmet is the future in protection, suitable for all watersports. Customizable padding creates the best fit for every head type. FIDLOCK®, Msytic's latest technology in closure, will make sure you start your session in a heartbeat. It closes automatically and can be opened with ease by sliding laterally using just two fingers. Ideal for the aggressive riding style of action sports athletes on the water.