Explore anywhere with Shackle, a frame built for comfortable, everyday use. The full-rim, soft square frame shape boosts Shackle’s style-factor while the lightweight O Matter™ front ensures durability to support an on-the-go lifestyle. The Unobtainium® nosepads and slip-on earsocks help keep the frame securely in place with a secure fit for those all-day adventures. Order Shackle with Oakley Authentic Prescription Lenses for consistent high quality in fit, form and function from lens to frame.