6 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.
Acetate - These frames are crafted from high quality acetate, a lightweight and durable plant-based 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.
CR-39 - CR-39 lenses provide superior scratch and impact resistance.
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.
If you're not satisfied with your Happy Lens, return them to SPY within 14 days of purchase for a full refund.
Trident 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.
These measurements include the width of the lens, the width of the bridge and the length of the arms measured in millimeters.