Summer of 67 Sizing
SIZE
50 - 21.5 - 145 (mm).
For more sizing information see our Frame Dimension Guide.
6 BASE LENS CURVE
Lens 'Base Curve' is a measure of the front curvature of the lens. The higher the number, the greater the curve.
50 - 21.5 - 145 (mm).
For more sizing information see our Frame Dimension Guide.
Lens 'Base Curve' is a measure of the front curvature of the lens. The higher the number, the greater the curve.