Oakley Exchange Sun Sunglasses combine a lightweight mixed-material frame with Prizm lens technology to boost contrast and reduce glare, making them ideal for bright outdoor activities. Key attributes: Gray | Transparent | O-Matter | Prizm lens technology (enhanced contrast) | Polarized lens options available | UV protection | Lightweight design for all-day comfort | Unobtainium nosepads and earsocks for no-slip grip | Stainless-steel temples | Includes Oakley case and microfibre cloth | Rectangle frame shape | Mixed-material construction (O-Matter front, metal temples) | Dimensions & fit: Lens width: 56 mm | Lens height: 43 mm | Bridge width: 17 mm | Temple length: 136 mm | Regular fit (universal fit) | Composition & care: O-Matter | Stainless steel | Polycarbonate lenses | Unobtainium nosepads/earsocks | Wipe lenses with a microfiber cloth; store in provided case.