For high-energy exploring, training, or catching some laughs at the summer cook-out, the Smith Soundtrack Polarized Sunglasses have your eyes and sight covered with high-tech in a casual design. The durable and smug-resistant lenses feature ChromaPop to enhance colors and add contrast for boosted visibility. These particular glasses are also Polarized to turn the harshness down in bright light because adventures are much safer when you can see the route.A lightweight Evolve frame is made of bio-based materials to warm the eco-conscious soul and boost durability against impacts along the way. And Megol nose pads comfort and reduce slipping when you work up a sweat.