7iDP Project 23 Carbon Full Face Helmet Black/Raw Carbon S 55 - 56cmE. R. T. slip plane 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 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