This light helmet is the adequate answer to the demands of very sportive cyclists and skaterswith the integrated lens system the helmet is also highly recommended for cyclists wearing glassesspecification double shell in mold for durable fusion of the outer shell and the shock absorbing helmet material epshelmet with integrated visor that completely hides securely within the helmet framevariable end stop of the visorcomfortable one hand operation of the visor also while cyclingthe visor is