Whether we're high above the tree line taking in majestic mountain views or skimming across crystal blue waters in search of big fish, the Costa Grand Catalina Polarized Sunglasses offer high-performance vision in a stylish, retro package. The 580G lenses reduce glare and enhance color to minimize eye fatigue, so we can spend hours under the sun and enjoy all the sights along the way. The lightweight frames have removable side shields that completely cut out glare, and the ventilated nose pads keep us cool on hot summer days.