Martian Genuine Real Carbon Fiber Motorcycle Modular Flip up Full Face Helmet + Motorcycle Bluetooth Headset: HB-B1 Glossy Carbon Black Youth Motocross Helmet 【Touch Screen】Touch Screen Design on

【Touch Screen】Touch Screen Design on Both Thumb and Index Finger

5 Inch                                                  XXL                                  32 Inch                           50 Inch

L                                     30 Inch                           47 Inch

M  55-56 CM 21

Martian Genuine Real Carbon Fiber Motorcycle Modular Flip up Full Face Helmet + Motorcycle Bluetooth Headset: HB-B1 Glossy Carbon Black Youth Motocross Helmet 【Touch Screen】Touch Screen Design onFeatures 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