The Grom is designed for smaller children venturing onto the slopes. In-mould construction keeps weight to a minimum for all-day comfort, and the ePS foam liner provides shock absorption in the event of an accident. Salomon’s Custom Dial means fine-tuning of the fit is easy, Airflow channels produce good ventilation and the liner is removable and washable.Size GuideSmallMedium49-53cm53-56cmClick here for more information on our Size & Fit GuideVenting: Passive Sizing System: Adjustable Weight: 320g Construction: In-Mould Safety standard: eN 1077 Class B, ASTM F 2040VentingPassive ventilation is non-adjustable but effective at cooling the head, allowing hot air to escape easily.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 ePS liner to maximise protection and comfort. This method keeps the weight down for less stress on young bodies.