Costa Mainsail

Costa Mainsail Sunglasses Frame Description For the performance and style you need on and off the water, Costa's Mainsail sunglasses 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. These sunglasses ensure your frames stay 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 perfect for day-to-day use, staying stylish while relaxed on land and ready for anything while out on the water. Lens Information The Costa Mainsail sunglasses are equipped with premium polarized 580 lenses, essential for filtering reflective glare on the water or outdoors. These lenses provide 100% UV protection, ensuring your eyes are shielded from harmful UV light and offering superior light management. The lenses are