Smith Townsend Sunglasses. The Smith Townsend sunglasses deliver classic good looks on and off the bike coupled with lens technology optimized for bright, sunny days. These Townsend sunglasses feature Smith's Polarized Gray Green lens which is perfect for cutting glare. Not only that, the lens transmits colors the same way our eyes interpret colors. The result is natural vision true colors that are easy on the eye. The Evolve frame is lightweight and durable while auto lock hinges ensure the Townsends stay in place during any outdoor endeavor.