Oakley - SI Tightrope Matte Black Sunglasses - Grey Polarized - OO4040-08
C-5™
Five metal compounds are superheated and fused into this durable yet lightweight alloy that serves as the chassis of Oakley Wire® frames and as components in other styles.
Three-Point Fit
A patented innovation that ensures the frame makes contact only at the bridge of the nose and the sides of the head. It holds lenses in precise optical alignment with a secure fit that eliminates the pressure points common with frames that hook the ears.
Unobtainium® Ear Socks
Unobtainium® earsocks provide increased comfort and performance. Increases grip with sweat.
Plutonite® Lens
One of the most optically pure materials used in eyewear today, it maximizes clarity and impact resistance while filtering out 100% of all UVA, UVB, UVC and harmful blue light up to 400nm. Not a coating, the UV protection is from the lens material itself.
High Definition Optics®
High Definition Optics® (HDO®) is a collection of patented technologies that allow Oakley eyewear to meet or exceed the testing standards of the American National Standards Institute for optical clarity, visual fidelity, and impact resistance.
Oakley HDPolarized®
Improving safety, comfort and performance, Oakley HDPolarized lenses filter out 99% of reflected glare without the haze and optical distortion that can come with polarized lenses made with conventional manufacturing techniques.
Frame color: Matte Black
Lens color: Grey Polarized
Weight: 29g
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