Bilt Youth Ax-1 Helmet The Bilt Ax-1 helmet combines safety and comfort, featuring an injection-molded ABS shell alongside a dual-density EPS liner for superior impact absorption. Designed to accommodate goggles with ease, its wide eye port enhances visibility. The helmet's ventilation system includes six intake and four exhaust vents, promoting continuous airflow for rider comfort. Additional amenities like 45mm speaker pockets compatible with Bluetooth devices, removable moisture-wicking cheek pads and certifications from DOT and ECE 22.06, make this helmet a comprehensive choice for riders prioritizing a mix of convenience, safety and versatility. Shell: Injection molded ABS shell Dual-density EPS liner, 3 EPS Goggle Compatibility: Wide eye port to accommodate goggles Comfort: Multi-port flow-through ventilation 6 intake and 4 exhaust vents pull airflow through channeled eps Removable, washable moisture wicking liner and cheek pads Safety: DOT and ECE 22.06 certified Features: 45mm speaker pockets to accept Dwo-1 or other Bluetooth music device