7iDP Project 23 Carbon Full Face Mountain Bike Helmet

7iDP Project 23 Carbon Full Face Mountain Bike Helmet S.E.R.T system reduces impacts causing C.T.E  The most ventilated full-face hardshell helmet on the market. Carbon shell using our Project lab layering process to reduce weight as much as possible. Easy position visor angle no bolts needed. CRV (Crash Release Visor) system allows the visor to release on impact to help reduce rotational forces. Injection molded branded trim to protect carbon helmet shell. AGION anti-microbial liner helps to keep things smelling fresh. TF (Through Flow) Goggle ventilation allows full air flow. Quick-release liner for easy washing and cleaning. Fidlock magnetic closure. Supplied with padded pro helmet bag. Meets CE, CPSC, AS, ASTM F1952-15 standards. Sizes XS, S, M, L, XL, XXL (size large weight 1012g +/-10g). Size & Fit   X-Small Small Medium Large X-Large inch 20.75-21.25 21.5-22 22.5-22.75 23.5-23.75 24-24.25 cm 53-54 55-56 57-58 59-60 61-62