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.
100% UV Protection - To protect your eyes from those harmful rays these lenses feature 100% UV protection.
Pop n' Lock Cam Hinges - Corrosion-free hinges with maximum flexibility.
RGNS System - The Rip Grip No Slip (RGNS) system ensures your shades stay firmly on your face with the help of rubber nose pads and temple tips.
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