Inspired by the original sun Tailend, OX5090 Tailback 2.0 fuses an original unique angular design with distinctive stem architecture. This lightweight faux semi-rimmed design is made with durable Titanium alloy, and hones a new edge on the idea of modern minimalism. The secure Three-Point Fit combines spring hinges, with Unobtainium earsocks and air-filled silicone nose pads for all-day comfort. This pair are available with Oakley Authentic Prescription lenses that come laser etched with the ellipse logo on the left wearing lens for proof of Oakley authenticity and quality. Oakley eyeglass frames sold by authorized sellers, like Amazon, are eligible for all manufacturer warranties and guarantees. Click on the Oakley link above the product title to shop the entire Oakley sunglass and eyeglass assortment.