Named for the famous surf break in the Bocas del Toro archipelago, this frame is your missing ingredient for a sunny day scouting surf. The XL version of this frames are slightly larger than the original, which means they retain the same prized features for those who like a larger fit and style: Costa&';s polarized and color-enhancing 580 lenses, integrated metal hinges and non-slip Hyrodlite(TM) nose pads. Enter the barrel of the beast with Paunch XL. a Premium Polarized 580 Lenses* Filtering reflective glare is essential for anyone on the water or outdoors. We sell only polarized sunglasses. a 100% UV Protection Your Costas absorb 100% of UV light, providing you the best in light management and protection. a Scratch Resistant and Durable The C-Wall coating provides extra scratch-resistance and a barrier that repels water, oil and sweat for easy cleaning. a Costa 580A(R) lenses Costa 580A(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: a Absorbing Harmful High-Energy Blue Light (HEV) a Enhancing Reds, Greens, and Blues a Filtering Out Harsh Yellow