XS FIVES Sunglasses - Even the world’s best athletes start out small, so we engineered a youth frame that’s big on protection. The look is pure Oakley and the science is HIGH DEFINITION OPTICS (HDO ), a collection of technologies that maximize clarity. Pure PLUTONITE lenses filter out 100% of all UVA, UVB and UVC, and combined with this durable O MATTER frame, they meet ANSI standards for impact resistance. The “XS� stands for “extra small,� so these sunglasses are for the young and reckless. Reduced frame geometry to fit smaller faces Lightweight, stress-resistant O Matter frame material Metal icon accents Sculpturally integrated hinge mechanisms 8.75-base lens curvature for wrapped, raked-back peripheral protection and view Plutonite lenses to block 100% of all UVA, UVB, UVC and harmful blue light Optional Iridium coatings and lens tints to reduce glare and heighten contrast XYZ Optics for maximized clarity at all angles of vision, even at lens periphery Lens/frame geometry & materials surpass ANSI Z87.1 standards for impact protection Prescription range available from +2.00 to -4.00 sphere (max.), with cylinders up to -3.00