[Usage Conditions : Cat. 3 lens] Sunny weather Darker lenses and strong mirrors shield your eyes from bright sun on bluebird days when SPF 30 is a must.
[Frame Material : Bioplastic] Bio sourced adaptable and noble material to perfectly adapt the fit to your face. Constructed of Bioplastic, which is comprised of 50% organic plant matter that is both lightweight and durable and aids in reducing plastic consumption.
[Hinge : Snap Hinge] Easy open and close A hinge that snaps open and closed.