Designed with performance in mind, Sutro gives cyclists a bold and versatile look that they can confidently wear on and off the bike. Features: Lightweight O Matter™ frame material: Provides durability and all-day comfort A stress-resistant frame of nylon-infused plastic Lightweight, durable and can withstand heat and cold without becoming brittle The flexibility enhances impact resistance and helps to make these glasses more comfortable to wear for extended periods Less rigid than other plastics, so it shapes better to the head Unobtainium ™ nosepads: Readily absorbs water and doesn't become slippery when wet Increases 'tackiness' as the wearer perspires so the glasses stay in place even in hot, sticky conditions Enhanced peripheral vision Hat and helmet friendly design Oakley High Definition Optics® (HDO®) lenses: Optimise safety and performance to meet the uncompromising demands of those who settle for nothing less than the clearest, sharpest, most accurate vision Offers truer, more accurate vision versus conventional lenses that magnify images and make objects appear shifted from their true position Meet or exceed the testing standards of the American National Standards Institute (the yardstick of performance for the eyewear industry) Impact protection: Designed and tested under extreme high mass and high velocity circumstances to ensure uncompromising protection across a wide range of demanding conditions Partly due to Plutonite®, Oakley's durable and optically pure lens material XYZ Optics™: Cut from a single sheet of material along the same axes to ensure they are in perfect optical alignment Lens thickness is tapered from the centre to the edge giving lower light refraction at the periphery and compensating for the overall prismatic effect of the lens curvature Provides greater clarity and helps reduce eye strain Wide fit: A large lens front designed to fit those with a wider head High bridge fit: Offers a more secure and comfortable fit if you have a high nose bridge and lower cheekbones. A good choice if your nose sits above your pupils Prizm Black Lens: Prizm™ lenses: A revolution in lens optics built on decades of colour science research Provide unprecedented control of light transmission resulting in colours precisely tuned to maximise contrast and enhance visibility Prizm™ Everyday: Optimised for use in your daily life in cities and built up areas Light transmission: 11% Light conditions: Bright light Base lens colour: Grey Information notice: 3