Flip Up Motorcycle Dual Lens Helmet with Bluetooth

The high strength  shell of this Flip Up Scooter Motorcycle Double Lens with Bluetooth Helmet has been aerodynamically tuned for motorcycle riding and is fully ventilated for maximum airflow when you need it most.  Features： High strength ABS plastic alloy shell Multi-density EPS Dynamic Flow-through Ventilation, multi duct design One helmet for two form, flip up configuration and full face configuration Breathable and removable lining Quick Release Buckle Bluetooth can be installed DOT Approved Specifications: Helmet Size: XS  (20.9-21.3 inches) (53-54cm)   S  (21.7-22.1 inches) (55-56cm) M  (22.4-22.8 inches) (57-58cm)L  (23.2-23.6 inches) (59-60cm) XL  (24-24.4 inches) (61-62cm) Weight: 5.51lb/2.5kg  If you want a rainbow or other lenses, please leave a note when you place the order, the standard lens is transparent as the images are shown.