The Radix combines rugged style and durability to meet the demands of tough trails. Deep coverage, light weight and ventilation everything you need when you spend all day on trails. The highly adjustable Roc Loc 5.5 system allows you to fit the helmet perfectly to your head shape. The POV visor adjusts 15 degrees, and the durable polycarbonate outer shell is firmly bonded to the EPS inner shell for increased durability and better ventilation through Giro's InMold construction.