BMX helmet with robust ABS shell - Optimal ventilation with 2 inlet and 9 outlet vents - Retention system with easy one-hand adjustment for perfect fit - The Fidlock® magnetic closure enables one-handed operation an provides maximum safety - Extended coverage at the back of the head - Sweat absorbing comfort padding, removable and washable - Weight (M size): 480g (±25g) - Exceeds EN1078 and CPSC safety standard for bicycle Helmets