ABS outer shell for maximum protection and EVA lining for proper absorbing impact energy technology. Meets CE EN 1385 water sports safety standards.
11 Air-vent system for breathing.
Helmets are structurally designed with metal rivets and long-lasting components tested by salt water spray.
Adjustable back of head closure.X-Large(23.6-24.4in)|(60-62cm).Large(22.8-23.6in)|(58-60cm). Medium (22.0-23.6in)|(56-58cm). Small(21.3-22.0in)|(54-56cm) . For different user's head size.