Optic Nerve (Formerly Mountain Shades) has been an Independent Leader in the Sport and Fashion Sunglass Industry. Countless Years, Months, Days, and Hours have been Spent in Colorado Testing our Products to Deliver only the Finest Sunglasses on the Market. We have Worked Hard to Create Products for Consumers and Programs for Retailers that Exceed that of our Competition and to Foster a Culture that We’Ve been Able to Stand Behind all These Years, Snow Sports ...