The Oakley Gascan sunglasses offer an unparalleled visual clarity at all angles of view. The Oakley Gascan frames are made of two lenses that were cut from the curve of a single lens shield, delivering a supreme peripheral field of vision. The Oakley Three-Point Fit works to maintain secure optical alignment and the O-Matter frame material maintains a stress-resistant, durable build. Combine SportRx prescription abilities with Oakley sunglasses and your vision expectations will be exceeded. Order your Oakley Gascan sunglasses or Oakley prescription sunglasses online at SportRx.