Roka Rio Alloy sunglasses are an extension of the Rio Titanium’s success. Classic aviator lenses meet a stainless-steel frame for a sleek light fit. Travel anywhere in a pair of Rio Alloy sunglasses. The frames, the lens, and even the patented GEKO fit and retention system are resistant to the elements. No matter how you move or sweat these frames will remain in place. Choose Roka Rio Alloy prescription sunglasses for performance you can see.