Contrail is a modern take on the classic pilot sunglasses infused with Oakley design elements. They feature a lightweight, durable C-5 alloy frame while the adjustable silicone nosepads help create an ideal fit for stylish, all-day comfort. a DESIGN - Classic silhouette with Oakley design appeal a FRAME MATERIAL - Constructed of ultra lightweight, C-5(TM) metal material a ALL DAY COMFORT - Earsocks are molded the temples to help provide all day comfort and retention a ADJUSTABLE NOSEPADS - Grip-fit, adjustable silicone nosepads help provide an ideal fit a SEE MORE DETAILS - Available with Prizm(TM) Lens Technology designed to enhance color and contrast so you can see more detail a PRESCRIPTION READY - Available with Oakley Authentic Prescription lenses that come laser etched with the ellipse logo on left wearing lens for proof of Oakley authenticity and quality