TROY LEE DESIGNS A3 MIPS HELMET UNOINCREDIBLE COMFORTWhether you're cruising the fireroads or shredding the gnar, you'll want to wear a helmet to protect your head. The Troy Lee Designs A3 MIPS Helmet Uno is a premium mountain bike helmet with luxurious comfort and ample ventilation. It has co-molded EPP and EPS for low and high-speed impact energy management. It also has MIPS that protects against rotational impacts. The helmet features a 3-Way Magnajust visor, a TLD Sweat Glide System that keeps sweat out of your eyes, 16 vents, and a premium 3D Fidlock magnetic buckle system. Features2-piece Ionic comfort liner for anti-microbial and sweat-wicking properties16 vents optimally tuned for maximum airflow Premium 3D Fidlock magnetic buckle system and a 3-Way Magnajust visor SPECIFICATIONSCore Material EPP, EPSClosure system3D Fidlock Magnetic Buckle System Safety Certifications CPSCIntended Use Trail, All-Mountain, Enduro Weight-Sizing Size Extra Small/Small Medium/Large Extra Large/XX-Large Head Circumference (cm)53 - 56cm57 - 59cm60 - 63cm | Troy Lee Designs | A3 Mips Helmet Uno Men's | Size Medium/large In Black