![Costa Mainsail Polarized Sunglasses](http://www.goldenflyshop.com/cdn/shop/files/97963956987__STD__shad__qt_1400x700.jpg?v=1702057596)
![Costa Mainsail Polarized Sunglasses](http://www.goldenflyshop.com/cdn/shop/files/97963956987__STD__shad__qt_1400x700.jpg?v=1702057596)
Save $52.01
Original price
$202.00
Original price
$202.00
-
Original price
$262.00
Original price
$202.00
Current price
$161.99
$161.99
-
$209.99
Current price
$161.99
![Size Fit Guide 1](https://media.costadelmar.com/images/website/pdp/size-fit-guide-1.jpg)
![Size Fit Guide 2](https://media.costadelmar.com/images/website/pdp/size-fit-guide-2.jpg)
L |
---|
1. Frame Width: 136.2 mm |
2. Bridge Width: 18 mm |
3. Lens Width: 55 mm |
4. Lens Height: 42.9 mm |
5. Temple Arm Length: 136 mm |
Regular Fitting
A large lens front designed to fit those with an average-sized head.
![6 Base Curve](https://media.costadelmar.com/images/website/pdp/base-curve-6.png)
6 Base Curve - Medium Coverage
Frames with medium-coverage and wrap that value style but still perform.
![Regular Fit](https://media.costadelmar.com/images/website/pdp/regular-fit.png)
Regular
Forgot Your Ruler?
Use this handy guide to gauge the fit you're looking for.
![Small - Medium Size](https://media.costadelmar.com/images/website/pdp/small-size.jpg)
All the Way?
You might be looking for a small or medium frame.
![Medium - Large Size](https://media.costadelmar.com/images/website/pdp/medium-size.jpg)
Middle Pegs?
You might be looking for a medium or large frame.
![X-large Size](https://media.costadelmar.com/images/website/pdp/large-size.jpg)
Last Two Pegs?
You might be looking for an x-large frame.