This helmet proves its quality with a superlight 3rd generation pre-impregnated carbon fiber hybrid shell, an impact absorbing Tri-density EPS liner, and a high flow vent system to maximize cooling. The Scott Airborne Circuit Motocross Helmet also includes a removable/washable Cool Clean dual layer liner and cheek pads, stainless steel mouth vent, and it exceeds DOT and SNELL standards. In a sport that progresses at such an incredible rate, safety becomes more and more of a necessity and not just an option. The all new Airborne Circuit Motocross Helmet is a prime example of Scott's continued commitment to provide protection and performance in every product they produce. Superlight 3rd generation pre-impregnated carbon fiber hybrid shell. Impact absorbing Tri-density EPS liner covering the head crown front and rear. Hi-flow vent system to maximize cooling. Breathable liner. Custom stainless grill design. Super light construction reduces neck fatigue. Removable and washable Cool Clean dual layer liner and cheek pads. Soft helmet bag included in the box. Stainless steel mount vent. Color matching comfort liner. Non slip goggle eye port gasket. Exceeds DOT and Snell standards. Helmet compatible with all Scott goggles. For proper fit and size measure the circumference of your head 1 above your eyebrows and around the largest portion of the back of your head.