Made for freeriders and adventure seekers, the QST Charge is packed with all the necessities. It uses Salomon’s ePS 4D liner, which offers increased shock absorption over the industry standard, and in-mould construction to keep the weight to a minimum. Active ventilation and a washable Merino liner help with temperature control. The Custom Dial size system is simple to adjust and ensures a snug fit.Size GuideSmallMediumLarge53-56cm56-59cm59-62cmClick here for more information on our Size & Fit GuideVenting: ActiveSizing System: AdjustableWeight: 380gConstruction: In-MouldSafety standard: eN 1077 Class B, ASTM F 2040 Additional SafetySalomon\'s patented ePS 4D technology works like a crumple zone, maximising energy absorption and protecting from oblique and vertical shocks.VentingActive Ventilation allows the airflow to be fine-tuned easily by sliding the vent covers open or closed using the button on the outside.Salomon’s Airflow Concept uses built-in channels within the ePS 4D liner which allows an even temperature and constant airflow between your head, your helmet and your goggles.Sizing SystemThe Custom Dial fit system provides a quick, easy and effective adjustment for a precise and comfortable fit. Helmet shape is based on Salomon\'s oval fit.ConstructionIn-mould construction uses a lightweight polycarbonate shell fused with an ePS energy absorbing liner for maximum protection and comfort.