Giro Aries Spherical Bike Helmet

The Aries Spherical redefines what a high-performance helmet can be, combining a sleek profile with featherlight construction at just 275 grams that you'll barely notice on long rides. Spherical Technology's ball-and-socket design powered by Mips redirects impact energy away from your brain, while Progressive Layering with dual-density Nanobead EPS foam provides comprehensive protection that earned the #1 ranking from Virginia Tech. Twenty-four Wind Tunnel vents work with the AURA II Reinforcement Arch and deep internal channeling to maximize airflow, keeping you cool on steep climbs and descents, while the DryCore brow pad manages sweat before it reaches your eyes. From the precision-adjustable Roc Loc 5+ Air fit system to full lower hardbody coverage that withstands trail abuse, this helmet delivers state-of-the-art protection and ventilation for riders who demand the best on every ride.