1Storm Adult Motocross Helmet BMX MX ATV Dirt Bike Downhill Mountain Bike Helmet Racing Style H637 Pack of 2

Description

DOT Approved; S (53-54 CM,20.9/21.3 Inch)Light weight durable aerodynamic thermoplastic alloy shellHeavily cushioned and comfortable interiorBeautiful glossy UV protective finishRemovable and washable padding

Helmet Size Chart 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 23.8/24.1 Inch 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.