Martian Genuine Real Carbon Fiber Motorcycle Modular Flip up Full Face Helmet + Motorcycle Bluetooth Headset: HB-BXN-L9 Matt Carbon Black import_2022_03_29_224553 Helmet Size Tips (1)Wrap a

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

Brand: 1Storm

smoked or tinted lens)

Model: HB-BFF-L5

2 hour full charge

Martian Genuine Real Carbon Fiber Motorcycle Modular Flip up Full Face Helmet + Motorcycle Bluetooth Headset: HB-BXN-L9 Matt Carbon Black import_2022_03_29_224553 Helmet Size Tips (1)Wrap aFeatures Net Weight 3. 4lb only, Helmet comes with motorcycle bluetooth headset as bundle (installation required); Extremely Light Weight Durable Genuine Carbon Fiber Composite Shell, Stronger and Lighter than ABS & Fiber Glass build; Advanced Modular Flip up Design; Motorcycle Bluetooth Headset supports up to 6 riders intercom, 1000 meter communication, 12 hr phone talk time, 7 hr intercom talk and 300 hr standby time; 3 level top ventilation control