Bilt Ax-1 Helmet The Bilt Ax-1 helmet is engineered for superior protection, featuring an injection-molded ABS shell and a dual-density EPS liner for excellent impact absorption. Designed to flawlessly accommodate goggles, it comes with an expansive eye port. Its cooling system is top-notch, comprising six intake and four exhaust vents for unbroken airflow, keeping riders comfortable throughout their journey. Also equipped with 45mm speaker pockets to support Bluetooth audio devices, removable moisture-wicking cheek pads and compliance with DOT and ECE 22.06 standards, this helmet is an all-round choice for adventurers seeking reliable and versatile head protection. 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