Solo Sun 40 ladies sunglasses, in black or Havana frame, with a choice of prescription or plain lenses.
Lens Width: 58mm
Lens Depth: 41mm
Bridge Width: 17mm
Arm Length: 138mm
The distance between the lenses.
The horizontal distance between the outermost edgest of the lenses.
The length of the arm or temple piece. You can also find size information for most frames on the inside of one of the arms.