Sideswept Rx Eyeglasses by Oakley®. Color: Polished Black,Polished Brick Red,Satin Black,Satin Brown Tortoise,Velvet Black, Size: 49-19-141, Shape: Square. From casual optical styles to modern sporty shades in bright colors, the Oakley glasses feature unique design, patented technologies and exceptional fit. Born to push the boundaries of form and function, the frame is made from the lightweight, stress-resistant O Matter™ material that ensures durability and all-day comfort. The Three-Point Fit holds lenses in precise optical alignment while the Unobtainium® ear socks provide a no-slip grip. When it comes to lenses, they’re tested under extreme high mass and high velocity circumstances to ensure uncompromising protection across a wide range of demanding conditions. Featuring a go-anywhere design, these Oakley glasses are just perfect for those who take a straightforward approach to original style.