Paired with warm tones of an acetate steam and a C5 wire front, the Oakley Feedback Prizm sunglasses are truly designed for an active woman. It includes no-snag nosepads and Unobtainium earpads for increased comfort, along with an ultra-lightweight C-5 alloy frame material and acetate stem. The glasses are available with Oakley Authentic Prescription Lenses and include a protective carrying case. This model comes with a polarized lens. Ultra-Lightweight C-5 Alloy Frame with Acetate Stem, Three-Point Fit, No-Snag Nosepads, Unobtainium Earpads, Available with Oakley Authentic Prescription Lenses, Protective Carrying Case Included, Polarized, Best Use: Fashion, Lens Material: Plutonite, Frame Material: Metal Alloy, Polarized: Yes, Face Size: Medium, Nose Pads: Yes, Warranty: 2 Year, Lens Type: Polarized, Model Year: 2018, Product ID: 517573, Frame Shape: Aviator, Model Number: OO4079-3359, GTIN: 0888392279743