Revant Replacement Lenses for Costa Mayfly

Make your old Costa Mayfly lenses like new with our replacement lenses for Oakley sunglasses. These lenses perfectly fit Costa Mayfly sunglasses with the model number 6S9110 found on the inner side of the temple arm. And because our lenses meet or exceed the quality of your original Mayfly lenses, you'll get the same performance you've come to expect.