Lightweight Full Face ProtectionKey Features:High performance downhill style full face mountain bike helmetFull integrated Koroyd® core for superior energy absorptionLarge vents including top “air intake” zone and large diameter Koroyd tubes for increased airflowFully goggle compatibleOne-hand micro-adjustment fit systemAntibacterial, fast wicking paddingCertified to ASTM F1952 and CE Standard EN1078:2012 + 1 A1:2012