Oakley have refreshed their classic Polarised Square Wire Sunglasses, with a fresh sophisticated design which is built around a comfortably lightweight C-5 alloy frame.The nose pads are adjustable to give a made-for-you feel, while the Unobtainium earsocks actually increase grip with perspiration to maintain a secure Three-Point Fit.High Definition Optics, and the curvature of the lens, work to give you a wide peripheral view, with XYZ Optics extending the clarity all the way to the lens edge.Oakley HD Polarised lenses don't have the haze and optical distortion common to ordinary polarised lenses, while the Iridiumlens coating is designed to balance light transmission and reduce glare.These quality sunglasses have been built to Oakley's high standard, featuring the following integrated technologies:Plutonite Lens - maximizes clarity and impact resistance while filtering out 100% of all UVA, UVB, UVC and harmful blue light High Definition Optics - for optical clarity, visual fidelity, and impact resistance.Impact Protection - uncompromising protection against high-velocity and high-mass impactUV Protection - filters out 100% of all UVA, UVB, UVC and harmful blue light up to 400nmThree-Point Fit - holds lenses in precise optical alignment with a secure fit that eliminates common pressure points C-5 - Five metal compounds are fused into this durable yet lightweight alloy of the chassis.Unobtainium Ear Socks - provide increased comfort and performance and increases grip with sweat.Oakley HDPolarised Lenses filter out 99% of reflected glare without haze and optical distortionIridium - Designed to balance light transmission and reduce glareMatte black frame