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.
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.
These measurements include the width of the lens, the width of the bridge and the length of the arms measured in millimeters.
For example, a 59-15-135 frame:
1) Lens Width - 59mm
2) Bridge Width - 15mm
3) Arm Length - 135mm