Description: 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 Item no: 6S9107 910701 55-18 Frame color: Matte Black Lens color: Blue Mirror Lens material: Polarized Glass (580G) Frame fit: Regular Size: L Lens curve: Base 6 Premium Polarized 580 Lenses* Filtering reflective glare is essential for anyone on the water or outdoors. We sell only polarized sunglasses. 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 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. Regular Fitting A large lens front designed to fit those with an average-sized head. 6 Base Curve - Medium Coverage Frames with medium-coverage and wrap that value style but still perform. Regular 580® lightwave glass C-WALL® MOLECULAR BOND GLASS LAYER ENCAPUSLATED MIRROR POLARIZED FILM GLASS LAYER C-WALL® MOLECULAR BOND 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 U.S. PATENT NO. 6.334.680U.S. PATENT NO. 6.604.824