Whether it&';s hard-charging trails or hammering hills, the 100%A(R) ALTEC is the rider&';s choice for an incredibly lightweight, ventilated and protective trail helmet.Featuring the SmartshockA(R) Rotational Protection, the 100%A(R) ALTEC&';s patented SmartshockA(R) elastomers begin defusing rotational crash energy immediately upon impact.Intelligentlightweightprotectionfor youreveryday ride.Highlights Trail Helmet SmartshockA(R) Rotational Protective System (14-point) Multi-Density EPS foam injection molded with polycarbonate in size-specific molds Massive airflow with an impressive 15 ventilation ports Expanded coverage while still lightweight Integrated sunglass storage system Multi-point adjustable visor designed for maximum vision and goggle stowage Washable, moisture-wicking anti-microbial liner Adjustable ratcheting fitment system Fidlock SNAP magnetic buckle (NEW for 2021) Extra comfort-liner for customized fitment