On Sale. Smith Theory Sunglasses The Theory Sunglasses by Smith features a rimless interchangeable lens system which creates a sleek and subtle design allowing unobstructed peripheral view perfect for the running trail, golf course, or weekend ride. Smith's Interchangeable lens system utilizes disto
On Sale. Smith Theory Sunglasses The Theory Sunglasses by Smith features a rimless interchangeable lens system which creates a sleek and subtle design allowing unobstructed peripheral view perfect for the running trail, golf course, or weekend ride. Smith's Interchangeable lens system utilizes distortion-free, 9 base lenses to provide precise optical clarity and maximize coverage while minimizing peripheral exposure to sun, wind, and glare. With over a dozen replacement lens tints to choose from