Sure, you may take a tumble on the mountain, but falling without Bern's Lenox Helmet is never a good idea. Designed to be audio compatible and comfortable, this helmet lets you jam out while you're rippin' up the slopes. PRODUCT FEATURES: Weight: 450 Grams Standards: CPSC, ASTM F 2040, EN 1077B, EN 1078 A thin ABS shell lined with EPS foam to create a burly, lightweight All Season lid Cold-weather liner with micro adjustable fit system Drop-in audio compatible BOA tightening system