Whether its hard-charging trails or hammering hills, the 100% ALTEC is the riders choice for an incredibly lightweight, ventilated and protective trail helmet. Featuring the Smartshock Rotational Protection, the ALTECs patented Smartshock elastomers begin defusing rotational crash energy immediately upon impact. The Multi-Density EPS foam injection molded liner offers size specific polycarbonate molds. Massive airflow cools you while you ride with an impressive 15 ventilation ports. The Multi-point adjustable visor is designed for maximum vision and features an integrated sunglass storage system. Stay fresh with the washable, moisture-wicking anti-microbial liner. Ensure a secure fit with the Fidlock SNAP magnetic buckle and adjustable ratcheting fitment system.