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.
Nylon Grilamid - These frames are borne from tempered steel molds. Grilamid nylon is flexible in all temperatures, shatter resistant, and possesses a high “memory” to ensure the frame retains its shape and fit.
Polycarbonate - UV400 protection lurks beneath the dark exterior of these lenses. Their polycarbonate lenses are distortion-free, optically correct and have maximum scratch and shatter resistance. These lenses are available in grey, bronze, fashion gradients and chrome coatings.
Tri-Motion Polarized - Tri-Motion polarized lenses are the optically correct choice for all of your outdoor activities and pursuits of daydreams. These sleek and sporty three layer lenses include all of the polarization and glare reduction you expect from VZ at a price your wallet won't hate.
100% UV Protection - To protect your eyes from those harmful rays these lenses feature 100% UV protection.
These measurements include the width of the lens, the width of the bridge, the height of the lens and the length of the arms measured in millimeters.
For example, a 56-17-45-144 frame:
1) Lens Width - 56mm
2) Bridge Width - 17mm
3) Lens Height - 45mm
4) Arm Length - 144mm