FIVE-STAR PROTECTIONInspired by the premium Rev Pro and Rev Elite helmets the Rev Comp combines maximum ventilation and comfort with certified protection and sleek modern looks. Featuring 18 wide head-cooling channels an integrated Mips® Evolve Core low-friction layer and four-position rear height adjustment it’s the perfect budget-conscious choice for performance-minded riders. Features All-new head form design for more universal fit User-friendly precise four-position snap-in rear height adjustment Supple lightweight anti-microbial strap system User-friendly side-release buckle 18 head-cooling ventilation channels Integrated Mips rotational impact protection technology Five-star rating from world-renowned Virginia Tech Helmet Safety Lab Updated design with a sleek performance look Highlights With a trusted Mips® Evolve Core protection system 18 head-cooling vents and a customizable fit this stylish all-rounder helmet offers certified protection and maximum comfort. Specifications   SIZES: S 51-55cm M 55-59cm L 59-63cm   Weight: 300g Western Size M