Developed specifically for aggressive all-mountain riding, the Giro Xar MTB Helmet is built with a stylish, low-profile design, tons of ventilation and extreme strength. In-Mold Polycarbonate Shell with EPS liner offers excellent impact protection and allows for bigger vents, all while providing optimal coverage without excess weight. 17 Wind Tunnel vents cool your entire head as it forces heat and stale air to the outside. P.O.V. visor gives 15 of vertical adjustment on-the-fly and Roc Loc 5 retention system puts unrivaled fit and adjustability at your fingertips. Versatile and lightweight without sacrificing durability, the Giro Xar is comfortable enough for 4-5 hours on the trail.