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 ApprovedAdvance Dual Sports and Dual Visor Design (Inner Smoked Visor and Outer Clear Shield).
Light weight durable aerodynamic thermoplastic alloy shell.
Heavily cushioned and comfortable interior, Removable and washable
Beautiful glossy UV protective finish.
DOT Approved