DOT Bluetooth Modular Motorcycle Helmets Full Face Dual lens Flip Up Helmets. Features: High strength ABS shell, lightweight and impact resistance Sleek and lightweight design reduces wind noise Multi-density EPS safety buffer layer offers state-of-the-art energy absorption. Comfort soft 3D padding liner uses breathable technical fabric, hypoallergenic, fully removable and washable.Intake and exhaust ports ensure plenty of ventilation to keep you cool ABS ears are firmly fixed to the body of the helmet Quick release buckle system, provide perfect protection. Specification: Shell material: Qulaity ABS Liner material: 100% Polyester. Size: S M L XL XXL. 1 x Motorcycle Helmet with bluetooth or not, if you choose bluetooth, bluetooth will come, if you don't choose bluetooth, then it won't be included, please note.