These are not retro sunglasses, but authentic old school sunglasses made by Metzler, a traditional German eyewear company that collaborated with Zeiss, the world-renowned optics manufacturer. These sunglasses feature a metal frame with a classic design that suits any face shape and occasion. The frame is sturdy and durable, and the lenses are new and offer 100% UV protection. These sunglasses are in great vintage condition and are a true rarity. You won't find many pairs like these on the market. These sunglasses are not only stylish, but also have a rich history behind them. Metzler was founded in 1830 and developed frames and glasses of exquisite quality. The Metzler frames from the 80s were often fitted with Zeiss quality lenses, and some even had the name Zeiss engraved on them. Metzler was also known for its celebrity endorsement, as former Chancellor Helmut Kohl wore Metzler glasses and Brad Pitt wore a vintage Metzler model in 2009, making the brand famous among fashion fans. These vintage Metzeler sunglasses are a perfect example of Metzler's legendary quality and design. They are a piece of German eyewear history that you can own and wear with pride. Don't miss this opportunity to get your hands on these amazing sunglasses.