R-13 is a double bridge tear drop shape with a subtle keyhole bridge. The addition of a vented side shield adds to the sport aesthetic, and contrasting acetate temple and temple tip colors creates a unique look. Featuring custom dark and mirrored color enhancement lenses and all of the RF dedicated details. Product Details Frame: Warm White Injected Lenses: Forest Nxt Made in: Italy Model code: OV5589SU Size & Fitting Size: 52-20 Best for most faces Learn more Temple length: 145mm Face Coverage: Standard A medium lens front designed for those who prefer to cover an average portion of the face. Learn more Bridges & Nosepads: Universal Fit This option accommodates most face shapes. Learn more