Many people like Sports Sunglasses because they fit the face very nice the curvature of the lenses make them even block the wind. The frame material can be made of metal or plastic. Many people like plastic frames because they are lighter weight and metal because they are very durable, it depends on you. Sports Sunglasses will work great for just about an occasion including motorcycle riding, snow boarding, snow skiing, fishing and just about any type of activity. Here are some photos of our Sports line. Besure to checkout our Wholesale Sunglasses web site at http://www.CTSwholesalesunglasses.com