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 Design: The C-Wall coating provides extra scratch-resistance and a barrier that repels water, oil and sweat for easy cleaning Wide Fitting: A large lens front designed to fit those with a wide head 6 Base Curve - Medium Coverage: Frames with medium-coverage and wrap that value style but still perform Technology: Costa 580(R) 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 while filtering Out Harsh Yellow Premium Polarized 580 Lenses-Filtering reflective glare is essential for anyone on the water or outdoors Costas absorb 100% of UV light, providing you the best in light management and protection Additional Details: Cork case and soft case included Frame Width: 135 mm Bridge Width: 19 mm Lens Width: 54 mm Lens Height: 46.6 mm Temple Arm Length: 140 mm