Maximum coverage mountain bike helmet Redefining open-face mountain bike helmets, the Dropframe Pro Helmet has earned Virginia Tech’s best rating (5 Stars) in their Bicycle Helmet Ratings program. Superlight and extremely comfortable, it's the choice for trail riders seeking more coverage and more confidence. With increased coverage for the ears, jaw, and back of the head, this 3/4 helmet provides the most complete coverage we offer in an open-face helmet. Certifications CPSC EN 1078 AS/NZS 206 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 Dual-density Varizorb™ EPS provides improved protection by spreading forces of impact across a wider area 8 Big Bore vents and 7 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 Removable antimicrobial and moisture-wicking liner Includes additional pads for custom, dialed fit 24879-001-S 24879-001-M 24879-001-L 24879-001-XL