The Oakley Feedback Sunglasses blends the beauty of the C5-wire fronts with a warmer tone of an acetate stem. This means the Feedback is the first wire frame pair of sunglasses that is designed for the active woman. Other great features include Unobtainium earpads for increased comfort and a 6 base lens geometry with HDO.Product Information:• Product Code: OO4079-4059• Ultra-lightweight C-5 alloy frame material with acetate stem.• Three-Point Fit.• No-snag nosepads.• Unobtainium earpads for increased comfort.• 6 base lens geometry with HDO.• Polarized, Iridium and Gradient lens options.• Oakley Authenti.