Oakley's Holbrook Ti evolves the Holbrook design with a razor-thin, lightweight titanium frame. This style is constructed from premium titanium that showcases Oakley's large, square frame Holbrook design. The sunglass features Prizm Lens Technology designed to enhance color and contrast, while a three-point fit helps provide all-day comfort. Oakley frames 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 sunglass and eyeglass assortment.