Features Frame Specs Polycarbonate Injection Molded Frame Lens Specs CR-39 with 100% UVA/UVB Protection Frame Measurements (cm) 50-22-146Details 5 Barrel Hinges Silver Inlay Logos Includes Cotton Twill Padded Case with Microfiber LiningFrame Measurements (cm)
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 58-18-144 frame breaks down like this:
1) Lens Width - 58mm
2) Bridge Width - 18mm
3) Arm Length - 144mm 50-22-146