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 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