Big-Mountain brawn, designed for those who demand the highest level of performance, the MOD5 delivers the perfect balance of increased protection and weight savings for technical riding.Features : • Adjustable ventilation: Allows hot air to rapidly escape out the top of the helmet. If conditions turn, close the venting to keep your head warm and dry • BOA® 270 fit system: A fully adjustable design is engineered to help deliver an exact fit • Fidlock® buckle: Seamless magnetic functionality lets you fasten your helmet with gloves on • Remlovable 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 • Modular Brim System: Two interchangeable brims allow for seamless helmet and goggle integration, no matter the size or shape of your favorite goggle • Brim/Goggle ventilation: Allows hot air to flow unobstructed from the goggle through the brim ventilation for better anti-fog performance • Helmet Travel Bag and Oakley Decal Included • Small (51-55cm) / Medium (55-59cm) / Large (59-63cm) • ASTM F2040 and CE EN1077 certifications