OUR LIGHTEST AND MOST BREATHABLE FULL-FACE HELMET Conquer the mountain with this full-face protection specialist. The Proframe Vow Helmet is the original full-face trail helmet and is still the market leader. Designed to meet the needs of all-mountain riders and enduro racers, it packs MIPS™ technology and a dual-density EPS liner into a superlight shell along with our patented, fully integrated chin bar. The Proframe Helmet has 15 intake and 9 exhaust vents which provide exceptional airflow and breathability on both climbs and descents. Thanks to its fixed design, there's no need to stop, remove, and store the chin bar. Ride wide open with the Proframe. MIPS™ added protection system has been proven to reduce the rotational motion when implemented in a helmet by absorbing and redirecting energies and forces otherwise transmitted to the brain Fox integrated chin bar is secured to the helmet with our patent-pending system and meets ASTM downhill standards Highly breathable liner system is moisture-wicking and has anti-microbial properties 15 Big Bore vents and 9 exhaust vents keep you cool and aid in moisture management The securely fixed visor is positioned to channel airflow into the Big Bore vents Fidlock SNAP helmet buckle provides quick and secure entry and exit while wearing gloves Dual-density Varizorb™ EPS liner provides improved protection by spreading forces of impact across a wider area Note: Avoid exposure to aerosol sprays like bug repellent and sunscreens as they can cause your helmet's finish to peel PC, EPS, Pu, Polyester, Ss