The Oakley Square Wire is a casual frame composed of Oakley’s trademarked C-5 alloy. The C-5 alloy combined with the Unobtainium earsocks and adjustable nose pads create the perfect three-point fit for all day comfort and a secure fit. The Square Wire will make you look good in any casual situation. Features Include: C-5 alloy frame, Unobtainium earsocks, prescription ready. The Oakley Square Wire is one of many Oakley prescription sunglasses that we have available.