Turbine™ cranks up the active look with interchangeable icons plus inset zones of sure-grip Unobtainium®. Along with clean lines of comfortably lightweight O Matter™ & a lens shape inspired by our popular Hijinx® sunglass, its durability & performance are perfect for both active & daily wear. PRIZM™ Polarized Lenses Prizm™ Polarized features the maximized contrast & enhanced visibility of Prizm™ with the glare filtering benefits of Oakley HDPolarized. Take care of your lenses To help maintain the High Definition Optics® (HDO®) of Oakley lenses, your new eyewear comes with a specially-woven electrostatic Microclear™ bag for cleaning & storage. Using it will preserve the superior optical quality of Oakley s pure Plutonite® lenses. Hand wash & air-dry the Microclear™ bag regularly.