Coastin Slim Sizing
SIZE
61 - 16 - 129 (mm).
For more sizing information see our Frame Dimension Guide.
8 BASE LENS CURVE
Lens 'Base Curve' is a measure of the front curvature of the lens. The higher the number, the greater the curve.
61 - 16 - 129 (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.