Guideline Eyegear Wake Bifocal Sunglasses with Deepwater Gray Polarized Lens, Shiny Black (+1.50) Whether your looking for massive coverage or you desire a large fit, the Guideline Wake is a perfect sunglass The Wake features innovative fully recyclable bio-based polymer Grilamid BTR frames with simple wide temple lines and locking hinges Ideal for sports both on-the-water and nearby in medium-to-bright sun conditions Smartly placed polarized inner lens bifocal virtually disappears and won't interfere with the larger field of view These sunglasses have a Polarized Polycarbonate Lens that offers 100% UVA/UVB protection