VCAN V210 Aviator Graphic Modular Helmet (Black, Medium) DOT Approved, modular (flip-up) full face street helmet with flow through ventilation system Adjustable, quick release, anti-scratch visor and built in retractable sun visor Metal pin face cover locking system, and easy lift chin guard opening system Removable and washable inner liner and cheek pads Built to fit Hat Size 7 1/8 - 7 1/4 (22.44-22.83 inches)