1Storm New Motorcycle JH901 Bike Full Face Helmet Glossy Blue + One Extra Clear Shield + Motorcycle Bluetooth Headset

Helmet Size Chart S 55-56 CM 21.7/22.0 Inch M 57-58 CM 22.4/22.8 Inch L 59-60 CM 23.2/23.6 Inch XL 61-62 CM 23.8/24.2 Inch Helmet Size Tips (1)Wrap a measuring tape around your head about a half-inch above eyebrows (2)Take measurement two to three times to pick the largest one.

The helmet comes with one extra spare clear shield; Helmet comes with motorcycle Bluetooth headset as bundle (installation required); Beautiful glossy UV protective finish; Removable and washable padding; 3 people intercom: Bluetooth 3.0 connectivity ranged in 800 meters; listen to and share music from phone, pad and phone calls with speed dialing; Advanced Waterproof, Dustproof and Sun Protection Design with FM Rideo; Large Battery Volume Ensures up to 120 hours Standby Time & Usable when Charging; 2 hours full charged; 8-10 hours intercom time; Heavily cushioned and comfortable interior; DOT Approved;