Smith Threshold Sunglasses - Graphite / Brown Polarized

The Threshold sunglass by Smith Optics is an extremely lightweight sunglass that includes megol nose pads and an adjustable temple. The Patented interchangeable lens system creates a sleek and subtle design allowing easily interchangeable lenses perfect for the running trail, golf course, or weekend ride. Smith utilizes distortion-free, 9 base Carbonic lenses to provide precise optical clarity and maximize coverage while minimizing peripheral exposure to sun, wind, and glare. As with all Smith sunglasses, the lenses block harmful 100% of UV rays and the they are backed by a manufacturer's lifetime warranty against manufacturing defect in materials or workmanship.