Oakley - Unstoppable 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, Unstoppable is perfect for running, cycling, hiking or simply living life on-the-go. Category 3. General purpose sunglasses. High protection against sunglare, good UV protection, not suitable for driving at twilight, at night or under dull light.