The Holbrook has become a timeless classic in the Oakley range and one of the most popular glasses amongst customers and staff alike. The O Matter frame is lightweight and durable, while Oakley’s market-leading Prizm lens technology ensures you see in greater detail with crisp and enhanced clarity.Lens: This lens is suitable for sunny through to cloudy conditions with a tint that increases contrast. It has been designed to be at its optimum in the snow. 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: 13% (CAT 3) - 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: Regular - High BridgeSize: X Large (lens width 57mm bridge height 18mm)O Matter frame material is lightweight, durable and offers all-day comfort HDO (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 Comes complete with a microfibre cleaning cloth