Leatt 1.0 All Mountain - MTB Helmet The 1.0 mountain helmet is the optimal trail beginner helmet. It features the innovative 360° turbine technology, which absorbs both vertical and rotational impact forces in case of a crash. A light, robust all-rounder for daily use! A safe MTB helmet: the 1.0 All Mountain from Leatt The 360° Turbine technology reduces 30% of concussion impact and 40% of rotational acceleration on the head and brain. The helmet is very light and optimally ventilated even at low speeds thanks to its 14 vents. The polycarbonate outer shell of the helmet provides energy absorption while the visor is equipped with predetermined breaking points to reduce rotational energy in the event of a chash. Features - 1.0 All Mountain 360° Turbine Technology Polycarbonate outer shell 14 ventilation openings for maximum ventilation even at low speeds MaxiFlow impact foam air channels are effective even at low speeds Extended rear head shell for extra protection Adjustable visor with predetermined breaking point to reduce risk of injury in case of strong impacts In-molded, energy absorbing impact foam Moisture wicking, breathable and washable lining and cheek pads Certification: AS / NZS 2063: 2008, EN1078, CPSC 1203 Weight: approx. 320 gMarime: S (51-55 cm) , M (55-59 cm) , L (59-63 cm)