Oakley Standard Issue Turbine Polarized Sunglasses - Matte Black/Green - Turbine cranks up the active look with interchangeable icons plus inset zones of sure-grip Unobtainium. Along with clean lines of comfortably lightweight OMatter and a lens shape inspired by our popular Hijinx sunglass, its durability and performance would make a sport frame jealous. Features Oakley Twin Toric lens technology with HDO Unobtainium earsocks and nosepads for increased comfort and performance Prizm shallow water polarized