Features BMX helmet with robust ABS shell Optimal ventilation with 2 inlet & 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 & washable Weight (M size): 480 gr. (± 25 gr.) Exceeds EN1078 & CPSC safety standard for bicycle Helmets