Details Oakley Portal X Sunglasses With a versatile design, Portal X sunglasses will work for a variety of outdoor activities. Made from premium materials, with Prizm optics for exceptional clarity and lasting comfort. Lightweight O Matter™ frame material provides durability and all-day comfort Prizm™ lenses that are designed to enhance colour, contrast and detail to make the most of any activity Unobtainium® on the inside of the earsocks and nosepads increase grip when wet to help keep the eyewear securely in place High Bridge fit is a good choice if the bridge of your nose is above your pupils Category 3, hard coated polycarbonate lens, suitable for bright light conditions. Not suitable for driving/road use Light transmission: 17% Dimensions: Hinge to hinge: 131.8 mm Temple length: 135 mm Bridge: 15 mm Lens height: 44 mm Lens width: 59 mm Effective diameter: 64 mm Specifications Portal X Sunglasses