Featuring Prizm Black Polarized lenses that dramatically reduce glare while making colors appear more vibrant, the Oakley Unstoppable Sunglasses Women's Blackside Collection of subdued eyewear upgrades any woman's uniform on and off duty.Oakley Standard Issue Unstoppable Women's Sunglasses is the thinnest, lightest Oakley Women's frame ever, and it's now available globally. This semi-rimless design is made for women who need the performance of sports eyewear but still want to look stylish. Available with polarized lenses, Oakley Unstoppable is perfect for running, cycling, hiking or simply living life on-the-go. Unstoppable Lenses feature the enhanced color and contrast benefits of Prizm Lens Technology with the glare-free filtering benefits of Oakley HD Polarized.