Features: - You’ll look like a Maverick in Costa’s Half Moon sunglasses, a West Coast inspired style that rides the mystique of epic ocean swells. With straight temples and double-cut textures, the sporty large fit Half Moon’s Integrated Spring Hinges and polarized lenses provide outstanding function and comfort with beautiful aesthetics; While inset Hydrolite® nose and temple pads prevent slippage for all-day hard core use. - Model name: Half Moon - Frame color: Shiny 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: M (Frame Width: 131 mm | Bridge Width: 14 mm | Lens Width: 60 mm | Lens Height: 41.3 mm | Temple Arm Length: 125 mm) - Nosepad adjustable: No - 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.) - Lens curve: Base 8 Decentered (Max Coverage: Frames with maximum-coverage and wrap that help reduce light leak.) - 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.