Features Curvature 8 Base Curvature Frame Tech Propionate Lens Material 100% UV Protection Polycarbonate Frame Measurement 63-17-120Lens Tech Happy Lens Polarization Details Dale Earnhardt Jr. Signature Inside Print Custom Metal DetailsCurvature
8 Base Curvature - The base curvature corresponds to the curve of the lens. The higher the number, the higher the curve. 6 base styles have a “flatter” look. 8-9 base curves hug closer to the face. Frame Tech
Propionate - These frames are crafted from high quality propionate, a lightweight and durable plant-based material. Lens Material
100% UV Protection - The sun is harmful to our bodies and eyes, all Spy lenses are 100% UVA/UVB/UVC protected so you can worry about your goggle tan while Spy shields your eyes.
Polycarbonate - Polycarbonate lenses provide optically correct vision and are highly shatter-resistant. Frame Measurement
These measurements include the width of the lens, the width of the bridge and the length of the arms measured in millimeters. 63-17-120 Lens Tech
Happy Lens - SPY''s color and contrast enhancing Happy Lens is the only lens that maximizes the sun''s ''good'' rays. See better. Feel better. Perform better.
Polarization - Blocks sunlight''s glare filled rays, and filters the chaos into a stream of clean, clear light. Trident polarized is layered and sealed within their injected Arc lenses so your polarization will stay with you for the life of your glasses, no scratching, delaminating, or hazing of your polarized filter.