Features: - Named after the famed Indonesian surf break, Keramas wear’s its boldness, and distinctiveness on its sleeve. Featuring a sharp square lens shape with a light top-to-bot tom taper and subtle key-hole bridge, this handmade frame is made from our Bio-Acetate material and as a member of our Del Mar collection, is only available in 580 Glass. - Model name: Keramas - Collection: Del Mar - Frame color: Black - Lens color: Gray - 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. - Size: L (Frame Width: 135 mm | Bridge Width: 19 mm | Lens Width: 54 mm | Lens Height: 46.6 mm | Temple Arm Length: 140 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.? - Del Mar: Sunglasses inspired by a life on the water, colors, patterns and textures that capture the spirit of the sea.