Optimized Venting - Strategically placed outer vents connects to extensive inner cooling channels, ensuring each SCOTT helmet keeps you cool and comfortable. MRAS2 Fit system - The Micro Rotary Adjustment System II is SCOTT's top of the line fit system offering unparalleled comfort, adjustment and stability. It features and optimized ergonomic fit designed to work seamlessly with the helmet and padding. It also features an easy to use ergonomic dial enabling one handed fit adjustment. In Mold Technology - The fusion process between the Microshell and the helmets' EPS liner ensures performance in terms of impact resistance for a lighter and more ventilated helmet.