Based on the best selling Turbine sunglasses, the Oakley Turbine Rotor features a shield-like lens providing extra protection and seamless style. The wrap-around style of the frame protects the wearer's peripherals debris, wind, and light; meanwhile, the O-Matter construction is nearly indestructible and extremely lightweight. These are extreme sunglasses for an extreme lifestyle. Features of Oakley Turbine Rotor Sunglasses Three-Point Fit: Comfort and performance that holds lenses in precise optical alignment Durability and all-day comfort of lightweight, stress-resistant O Matter frame material Unobtainium earsocks and nosebombs increase grip with perspiration for a no slip grip without compromising on style Interchangeable icons plus inset zones of sure-grip Unobtanium Available with PRIZM & Polarized lenses to enhance color, contrast and detail for an optimized experience Oakley Turbine Rotor Polished Black w/PRIZM Deep Water Polarized Lenses OO9307-08