Oakley mikaela shiffrin signature series sielo sq sunglasses are a perfect blend of performance and style. The rectangle shape, made from durable o matter™ frame material, offers a modern look while providing excellent coverage. The solid color matte navy frame is complemented by prizm™ rose gold lenses with mirror treatment, offering superior glare reduction and enhanced contrast for an optimized visual experience. These shades also feature oakley's prism technology, which optimizes color to provide unparalleled clarity and detail. Available with prescription lenses.