Ray-Ban - Ray-Ban Aviator Folding sunglasses feature the same iconic shape as the Aviator Classic, reinvented into new functional sunglasses. The most iconic Aviator has been reconstructed into a compact, folding design that is practical, portable and always stylish. The Aviator Folding RB3479 is offered in a variety of lens treatments, including polarized and gradient, and is prescription friendly.Category 3. General purpose sunglasses. High protection against sunglare, good UV protection, not suitable for driving at twilight, at night or under dull light.