Features Frame Specs Hand Crafted Acetate Frame Stainless Steel Optical Hinges Lens Specs Carl Zeiss CR-39 Lens 100% UVA/UVB ProtectionFrame Measurements (mm) 57-18-135Frame Measurements (mm)
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 56-17-144 frame:
1) Lens Width - 56mm
2) Bridge Width - 17mm
3) Arm Length - 144mm 57-18-135