The Proto Switch goggle system offers some of the premiere lenses in the paintball industry. With a variety of styles and colors available, you will never have a problem finding the best lens for your playing conditions. The tirodial lens gives the ultimate in vertical and horizontal peripheral vision. All lenses have perfect optical clarity and all Switch lenses provide 98% UV protection, insuring you have the best in performance from the first name in paintball. Compatible with all styles of Proto goggles/masks.