OAKLEY MOD1 MIPS A lightweight and low-profile design inspired by the classic skate-style helmet. The MOD1 is delivers simplicity with premium functionality for wherever your on-mountain adventures take you. FEATURES: - BOA® 360 FIT SYSTEM: A fully adjustable design is engineered to help deliver an exact fit. - FIXED VENTILATION: Allows hot air to escape from the top of the helmet. - MIPS® INTEGRATION: The MIPS® Brain Protection System is a helmet integrated, low friction layer designed to reduce rotational motion transferred to the brain during an impact. - FIDLOCK® BUCKLE: Seamless magnetic functionality lets you fasten your helmet with gloves on. - REMOVABLE LINER/EARPADS: Allows for easy cleaning as it is machine washable, adaptable for various weather conditions, and provides freedom to wear the goggle strap underneath the helmet. - BRIM/GOGGLE VENTILATION: Allows hot air to flow unobstructed from the goggle through the brim ventilation for better anti-fog performance. - ASTM F2040 and CE Sizes: - Small: 51-55cm - Medium: 55-59cm - Large: 59-63cm - Extra Large: 61-65cm