JP Sport Grand Prix Brushed Aluminum Frame Sunglasses aluminium frame Polarized JP SPORT sunglasses feature Spring loaded Auminim frames, with Polarvue premium polarized lenses. JP Sport light weight aluminium frames feature Comfort Fit Silicone temples. Silicone is hand inserted into the temple making the aluminium frame extemely confortable to wear. JP Sport light weight aluminium frames feature Ezjust adjustable nose bridge. This makes it easy to adjust all the styles to fit perfectly on anyone's face. JP Sport light weight aluminium frames feature Smooth Glide Spring Loaded temples. This makes the JP sport easy to put on and off, and extemely comfortable on different sizes and shapes of heads. Lenses: Premium polarized lenses featuring: Duo Hard Coat -Provides multiple impact and scratch resistant treatments protecting your lenses for years to come. protecting your lenses for years to come.