Zeal Optics sunglasses are built for your outdoor adventures. Zeal cares just as much about the planet as you do, which is why all their glasses are made from plant-based products. We carry a variety of Zeal sunglasses online with different lens technologies. If you find that your outdoor adventures span for several hours, opt for the automatic polarized lens option. The technology in this lens automatically adjusts to different amounts of sunlight for optimal eye protection and viewing experience. Zeal Optics sunglasses are specially designed to be lightweight, flexible, and durable, making them the perfect outdoor performance and everyday wear.