On Sale. Smith Factor Sunglasses The Factor Sunglasses by Smith feature a polarized 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 dist
On Sale. Smith Factor Sunglasses The Factor Sunglasses by Smith feature a polarized 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. Features: Medium Fit (Medium Size Lens) Patented Inter