Bell Formula MIPS Helmet The Formula For Success The Formula MIPS Helmet by Bell brings top-level technology and performance to a helmet with a mid-level price tag. This all-arounder helmet excels in road, gravel, XC or anything else you can throw at it. The aerodynamic, sweeping lines of the Formula MIPS are complimented by 19 vents to direct airflow over the head on hot days, while Bell's Sweat Guide liner keeps sweat out of your eyes on those extended climbs. The Formula features revolutionary MIPS(R) technology integrated into the Float Fit(TM) retention system, providing added protection from rotational impact forces. The fusion in-mold polycarbonate shell keeps the durability high and the weight low, while No-Twist Tri-Glides(TM) make sure the straps always lay flat. Bring race-proven technology to your ride with the Formula MIPS Helmet by Bell. Features Integrated MIPS(R) technology greatly reduces rotational forces from certain types of impacts Float Fit(TM) fit system is lightweight, easy to adjust and integrated into the MIPS(R) protection system Tri-Glides(TM) strap fasteners keep straps laying flat Sweat Guide(TM) wicks away sweat and keeps it away from your glasses Fusion in-mold polycarbonate shell bonds the outer polycarbonate shell to the inner EPS foam, creating a more durable helmet SPECIFICATIONSCore Material EPS Foam Closure system Float-Fit(TM) with MIPS(R)Safety Certifications CPSCIntended Use Road, Gravel, XCWeight285g (size M)Sizing Helmet Size Small Medium Large Head Circumference (cm)52 - 56cm55 - 59cm58 - 62cm | Bell | Formula Mips Helmet Men's | Size Small In Matte/gloss Gray/infrared