Filtering reflective glare is essential for anyone on the water or outdoors. We sell only polarized sunglasses.
Your Costas absorb 100% of UV light, providing you the best in light management and protection.
The C-Wall coating provides extra scratch-resistance and a barrier that repels water, oil and sweat for easy cleaning
For the performance and style you need on and off the water, our Mainsail frames are your go-to pair for every outing and adventure. Built with the same high-quality materials and features you want everywhere from the beach to the big blue, Mainsail frames help keep excess light out with micro side shields and hooding, your frames in place with improved Hydrolite™ grips on the temples and help keep sweat and water out of your eyes with eyewire drains and channels.The Mainsail frames are your day-to-day sunglasses that stay stylish while relaxed on land and ready for anything while out on water.
|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|
A large lens front designed to fit those with an average-sized head.
6 Base Curve Decentered - Medium Coverage
Frames with maximum-coverage and wrap that help reduce light leak.
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