Martian Genuine Real Carbon Fiber Motorcycle Modular Flip up Full Face Helmet HB-B1 Glossy Carbon Black, DOT Approved

Features Net Weight 3.4lb only, Extremely Light Weight Durable Genuine Carbon Fiber Composite Shell, Stronger and Lighter than ABS & Fiber Glass build; Advanced Modular/Flip up Design; 3-level top ventilation control & 5-position ventilation channel; Aerodynamic rear venturi-effect exhaust spoiler;  Heavily cushioned and comfortable interior with Emergency Strape; Removable and Washable; Beautiful glossy UV protective finish; DOT approved;   Technical Details Brand: Martian Model: HB-B1 Shipping Weight: 5 pounds Manufacturer Part Number: HB-B1 CAPA Certified: DOT Certified   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.