Features: - 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. - Model name: Mainsail - Frame color: Matte Black - Lens color: Blue Mirror (Best for bright, full-sun situations on the open water and offshore. Gray Base | 10% light transmission) - Lens material: Polarized Glass (580G) (Costa 580® lenses were designed by in-house light spectrum experts to enhance colors because standard sunglass lenses fell short. The lens' multipatented technology manages light by: Absorbing Harmful High-Energy Blue Light (HEV) | Enhancing Reds, Greens, and Blues | Filtering Out Harsh Yellow) 580G: Superior clarity & Scratch-resistance: Glass Provides The Best Clarity In Material | Encapsulated Mirrors (Between Layers Of Glass) Are Scratch-Proof | 20% Thinner And 22% Lighter Than Average Polarized Glass. - Frame fit: Regular (A large lens front designed to fit those with an average-sized head.) - Size: L (Frame Width: 136.2 mm | Bridge Width: 18 mm | Lens Width: 55 mm | Lens Height: 42.9 mm | Temple Arm Length: 136 mm) - Lens curve: Base 6 (Medium Coverage: Frames with medium-coverage and wrap that value style but still perform.) - Nose Bridge: High Bridge Fit (Offers a more secure and comfortable fit for those with a high nose bridge and lower cheekbones. A good choice if the bridge of your nose is above the level of your pupils.) - Premium Polarized 580 Lenses* : Filtering reflective glare is essential for anyone on the water or outdoors. We sell only polarized sunglasses. - 100% UV Protection: Your Costas absorb 100% of UV light, providing you the best in light management and protection.? - Scratch Resistant and Durable: The C-Wall coating provides extra scratch-resistance and a barrier that repels water, oil and sweat for easy cleaning.