Race tuned performance in a singletrack ready package.The ideal helmet for serious XC riding and racing has to be light and cool without sacrificing features. The Athlon's compact liner offers good coverage without excess weight, and huge Wind TunnelTM vents with internal channeling that can't be beat for cooling power. A full Roc LocR 5 system enhances the helmet's stability and comfort for long hours on the trail, and the adjustableremovable P.O.V. TM visor shields your eyes from sun and branches. It's everything you need on the trail, and nothing more.