Lazer Jackal Kineticore Helmet High-tech trail protection The Lazer Jackal Kineticore helmet uses next-generation technology to provide comprehensive protection for any trail. At the heart of the Jackal Kineticore is Lazer's new proprietary Kineticore system-a revolutionary design to minimize rotational and linear forces during an impact by using EPS foam block crumple zones for a lighter, cooler protection system that uses less plastic than competitors. With 19 vents and internal ventilation channels, the Jackal excels at keeping things cool and is also designed to reduce goggle fogging. A no-slip zone at the rear of the helmet secures goggle straps, while the adjustable visor allows you to stow the goggles when they're not needed. Be prepared for the trails with the advanced protection of the Jackal Kineticore. Features Lazer's proprietary Kineticore system reduces both rotational and linear impact forces and is lighter weight and cooler while using less plastic than competitors Awarded a Virginia Tech 5-Star helmet rating their highest score for crash protection19 vents and internal ventilation channels maximize airflow and reduce goggle fog Turn Sys system provides simple and secure adjustability with the turn of a dial The magnetic buckle allows for easy use, even while wearing gloves SPECIFICATIONSCore Material EPS Foam Safety Certifications CPSCIntended Use Trail, All Mountain Weight340g (size M)Sizing Size Small Medium Large Head Circumference (cm)52 - 56cm55 - 59cm58 - 61cm | Lazer | Jackal Kineticore Helmet Men's | Size Medium In Matte Black