The Radar provides the convenience of wearing a visor with the advantages of wearing goggles. elasticated pivot points allow the lens to be moved up while not in use but keep it firmly in place while skiing. Face foam around the lens and the integrated design gives a seamless fit to keep the snow and elements out. To keep your vision clear Head use a dual-layered lens with an anti-fog treatment. The lens is quick to remove if needed, and the adjustable ventilation allows the wearer to control airflow at the slide of a button. The Sphere Fit wraps around the head like a beanie and can be adjusted by twisting the Boa system, and in-mould construction keeps the weight to an absolute minimum.Size GuideSmallMedium/LargeX-Large52-55cm56-59cm60-63cmClick here for more information on our Size & Fit GuideVenting: Active Sizing System: Adjustable Weight: 555g Construction: In-Mould Safety standard: eN 1077 Class BVentingActive Ventilation, incorporating the visor, allows the airflow to be controlled to the user’s personal preference by simply sliding a button.Sizing SystemThe internal Sphere fit system wraps around the head like a beanie. It can be fine-tuned by twisting the Boa dial on the back which adjusts three dimensions for a snug fit without pressure points.ConstructionThe lightweight in-mould construction uses a polycarbonate shell fused with an ePS liner to maximise protection and comfort. This construction technique allows for a lower profile helmet to be made with a more complex venting system.