The ST5 CMR is one of Stilo's karting helmets that are directly derived from Stilo's auto racing helmets that dominate at the top levels of racing. Drivers rave about the superior comfort levels as well as Stilo's lightweight construction and unparalleled field of vision, a crucial attribute for karting. The CMR standard was developed jointly by the FIA Institute and Snell Memorial Foundation to ensure safer and lighter weight helmets for karting. The ST5 CMR karting helmets from Stilo deliver. The helmets are come in several colors and sizes, select the model needed.