* Incorporating distortion free High Definition Optics (HDO) designed in Radar frames, the Oakley Radar Path Sunglasses uses Oakleys Polaric Ellipsoid lense geometry to optimize peripheral vision.* To reduce glare and balance light in bright sun, the optics of Oakley Cycling Sunglasses are improved with BLACK IRIDIUM lens coating.* Oakley Sunglasses are designed with a permanent HYDROPHOBIC lens coating, which makes an impact resistant barrier that repels water, skin oils and dust to remain clarity.* The durable and lightweight O MATTER frame of Canada Oakley shades offers incredible performance fit with a Three-Point Fit that holds the lenses in great optical alignment with UNOBTAINIUM components that reinforce their grip with sweat.* Four Oakley Radar lenses as a free gift.