_Tight-fit microshell technology:_ As opposed to the in-mold process, the outside shell is bonded to the EPS after the injection phase. _Anti-Picking Buckle:_ fastening buckle designed to avoid skin-pinching between the two buckle parts and ensuring maximum comfort. _Washable and anti-allergic padding:_ Removable and washable pads enabling you to keep the helmet fresh and ensuring excellent comfort. _Speed Turn Flash Retention System_: Rear retention system using a wheel for easy and simple adjustment with only one hand. LED light situated in the wheel to make you more visible when cycling at night. Channelled ventilation with 8 vents. S (47cm-52cm); M (52cm-56cm). Weight: 220g. Certification: EN 1078.