Cast your rod, sit back, and wait for your big catch while you enjoy the beautiful scenery through the polarized performance of the Maui Jim World Cup Sunglasses. Apart from its sleek design, tThese sunglasses utilize ST Glass lenses that offer the best optics possible yet are 20% thinner and lighter than standard glass lenses. They are also durably scratch resistant for excellent longevity, and feature traces of three color enhancing rare earth elements. PolarizedPlus 2 technology further boosts color and contrast, on top of eliminating glare off the water and blocking harmful UV, UVA, and UVB rays. The bi gradient mirrored tint eliminates glare both from overhead and below for total eye comfort. Maui Jim made the World Cup's frame out of high grade injected nylon that's surprisingly durable for how lightweight and comfortable it is, and features a high gloss finish to keep it sleek and shiny for a long time. This frame fits medium faces comfortably, and rubber nose pads boost your comfort a bit by preventing slippage overtime.