From Oakley, the Ejector Performance Sunglasses feature: Rectangular shape Ultra-lightweight, C-5™ metal Frame Prizm™ Lenses that are designed to enhance color and contrast so you can see more detail Oakley’s Unobtainium® earsocks provide increased comfort and performance and increase grip with sweat Adjustable grip-fit clear nose pads help provide the ideal fit and a seamless look Rx able Imported.