For optimum protection from UVA, UVB and UVC rays while youre out on the water, reach for Oakleys Flak Jacket XLJ Polarized Sunglasses. Lightweight, super-stress-resistant O Matter frames accept interchangeable lenses and boast a comfortable, no-slip Three-Point Fit that holds your glasses in place ensuring precise optical alignment. Unobtanium nosepad options create a customized fit. Prizm H2O lenses provide enhanced light transmission and maximize color, clarity and contrast out on the water. Plutonite lens filters block 100% of the suns harmful UV rays. Rated to ANSI Z87.1 standards for high-mass and high-velocity impact resistance. Compatible with prescription lenses. Soft storage case and Microbag cleaning cloth included. Made in USA. Size: 1.