KABUTO Bicycle Matte Sizes JCF Certified AERO-R2 Helmet, White, L/XL (Head Circumference 59cm-61cm),

Dominate the wind. An aero road bike that inherits the genes of the track aero helmet that has attracted worldwide attention. Size (reference weight): L/XL (N.A.) Head circumference: 59-61cm Aerodynamic performance thoroughly pursued and proven through CFD analysis and wind tunnel testing. "Air Tunnel Structure (PAT.P)" improves aerodynamic performance by streamlining the air. Employs the "KBF-2" adjuster with the Boa fit system. New headrest mechanism allows for two-stage adjustment on both sides. Patented aerodynamic device "Wake Stabilizer (PAT.)" Equipped with a shield that takes into consideration interference with glasses. Uses COOLMAX to maximize air cooling effect. Includes Ultra Sweat Pad-03. Includes eyewear hold function and non-slip rubber-02. Chin strap made of deodorizing fiber MOFF with added water repellency.