Oakley - Sweat a little less in Oakley Rev Up, an all-new sunglass that you can go anywhere and do anything in. Designed to keep up with the lives of active women, the square frame seamlessly combines style with functional features so you won't miss a beat. Category 3. General purpose sunglasses. High protection against sunglare, good UV protection, not suitable for driving at twilight, at night or under dull light.