Oakley’s Jawbreaker is the ultimate sports sunglass designed specifically for cycling. It has a wide field of view and exceptional upper peripheral vision. The Swiftlock system makes removing the lens quick and easy and their O Matter frame is lightweight and durable. Unobtainium earsocks and nosepads keep the glasses securely in place with grip that increases with perspiration, while market-leading Prizm technology lets you see with crisp and enhanced clarity. To ensure a personalised fit with a helmet the temples can be adjusted to three different lengths. Lens: This lens is suitable for medium light conditions with a tint that increases contrast while reducing glare, making it easier to see changes in the terrain ahead. It’s designed for road cycling and other active sports. The base lens tint is rose. Prizm technology blocks specific wavelengths of light while boosting others to provide maximum contrast and enhanced visibility. This greater clarity results in reduced reaction times and increased performance over a wide range of light conditions.VLT: 20% (CAT 2) - Visual Light Transmission, VLT, refers to the amount of light that penetrates a lens. A low percentage means less light passes through and a higher percentage lets an increased amount of light through. FeaturesFit: Wide - High Bridge Size: LargeSwiftlock lens changing system is quick and easy O Matter frame material is lightweight, durable and offers all-day comfort Unobtanium nosepad and earsocks are non-slip and give increased grip with perspirationHDO (High Definition Optics) lenses are impact resistant while letting you see with crystal clear clarityPrizm lenses optimise contrast and enhance color enabling you can see in greater detailIridium lens coating reduces glarePlutonite lens material provides UV Protection filtering out 100% of all UVA, UVB up to 400nm Protective case and lens cleaning cloth included