The Fox Proframe Mountain Bike Helmet is full-face protection that is ideal for all mountain and enduro mountain bike riders. Ultra-lightweight DH certified with open-faced breathability gives you the flexibility and confidence to ride wide open. Designed to perform at the highest levels for aggressive mountain riders and enduro racers, it packs dual-density Varizorb EPS liner protection into a superlight shell via the patent pending, fully integrated chinbar. With 8 big-bore intake and 7 exhaust vents, the Proframe MTB helmet offers open face level airflow and breathability to keep you cool on tough assents; and once you reach the top, gives you the confidence to ride to your limit on challenging descents.