Inspired by the everyday needs of active women, the sophisticated OO9288 Sielo is built to move with the to-and-fro of daily life. The BiO-Matter frame material is made from bio-materials having at least 56% bio-based carbon content. Well integrated Unobtainium nosepads offer no slip grip, while propionate temple tips with soft touch coating provide extra comfort and retention. C-5 temple heads add cross-functional sophistication. Available with Prizm Lens Technology designed to enhance color and contrast to see more detail. Oakley sunglasses sold by authorized sellers, like Amazon, are eligible for all manufacturer warranties and guarantees. Click on the Oakley link above the product title to shop the entire Oakley sunglass and eyeglass assortment.