Product details:
Size Chart : S: 20.9 - 21.3 inch, M: 21.7 - 22.0 inch, L: 22.4 - 22.8 inch, XL: 23.2 - 23.6 inch, XXL: 24.0 - 24.4 inch; Advance Dual Sports and Dual Visor Design (Inner Smoked Visor and Outer Clear Shield); Ultra light weight durable aerodynamic thermoplastic alloy shell; Heavily cushioned and comfortable interior, Removable and washable; Beautiful glossy UV protective finish; DOT Approved
