Martian Genuine Real Carbon Fiber Motorcycle Modular Flip up Full Face Helmet + Motorcycle Bluetooth Headset: HB-B1 Glossy Carbon Black Youth Motocross Helmet M 23 21 17 34

M                              23                        21                  17                        34

M                                     29 Inch                         45

5 Inch                                                  XXL                                  32 Inch                           50 Inch

CAPA Certified: DOT Certified

Martian Genuine Real Carbon Fiber Motorcycle Modular Flip up Full Face Helmet + Motorcycle Bluetooth Headset: HB-B1 Glossy Carbon Black Youth Motocross Helmet M 23 21 17 34Features 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