1storm Motorcycle Street Bike Modular Flip Up Dual Visor Sun Shield Full Face Helmet Mattblack Small

Helmet Size Chart XS 51-52 CM 20.1/20.5 Inch S 53-54 CM 20.9/21.3 Inch M 55-56 CM 21.7/22.0 Inch L 57-58 CM 22.4/22.8 Inch XL 59-60 CM 23.2/23.4 Inch XXL 61-62 CM 23.8/24.2 Inch Helmet Size Tips 1Wra measuring tape around your head about a half-inch above eyebrows 2Take measurement two to three times to pick the largest one. Features DOT Approved; Size S 53-54 CM20.9/21.3 Inch; Advanced Modular/Flip up and Dual Lens Design inner smoked lens/outer clear shield; Light Weight Durable Aerodynamic Thermoplastic Alloy Shell Beautiful Glossy UV Protective Finish Removable and Washable Padding

• XS 51-52 CM20.1/20.5 Inch.
• S 53-54 CM20.9/21.3 Inch.
• M 55-56 CM21.7/22.0 Inch.
• L 57-58 CM22.4/22.8 Inch.
• XL 59-60 CM23.2/23.6 Inch.
• XXL 61-62 CM24.0/24.3 Inch.