The Anon Mens Raider Ski Helmet is a great beginner helmet for ski and snowboarding. Featuring an Endura-Shell construction, this super helmet offers protection against knocks and excellent all-round durability. Offering an excellent fit, this comfy helmet has a removable fleece liner offers warmth but can be taken out if you prefer wearing a beanie instead. Features Sizing: Medium = 57cm-59cm, Large = 59cm-61cm Endura Shell construction Classic fleece liner and ear pads Comfortable chin strap Removable goggle clip Passive ventilation Audio accessory compatible – ear pads allow compatibility with a separate audio system Simple fit Multi season certified in North America and Europe ASTM 2040 / CE1077B / CE1078:2012 +A1:2012 / CPSC Certified Weight: 595g GLOSSARY Endura-Shell two-piece construction features an injection-moulded ABS exterior for long-lasting durability and ding-resistant strength. Passive ventilation channels integrated into the helmet draw fresh air in the front and pull moisture out the back. These built-in channels help to keep goggles clear and aid in maintaining a balanced and comfortable climate all day long. Simple fit: easy to remove ear pads and liner enable you to wear a beanie and goggle under this helmet for a cool skate-inspired look.