SPECIFICATIONS : Model : P'8478 / Temple Length : 135mm / Width : 60 mm , 63mm , 66mm , 69mm / Bridge Size : 10mm / Frame Material : titanium / Gender : Unisex / Type : Aviator / Made In : Japan Unique & Innovative System: The iconic Porsche Design P8478 sunglasses were the first in the world to have an interchangeable lens system, making it versatile and adaptable to different lighting conditions. High-Quality Construction: Made with extremely lightweight titanium frame and high-resistant coated polycarbonate lenses, creating a design that's both stylish and functional. Fashionable & Protective: The teardrop lenses in the sunglasses can be easily changed with a quick-lock system that you turn to unlock and then replace with another set. Kit Inclusions: It comes with a case, a cleaning cloth, an extra pair of lenses, and a product quality card, completing your premium purchase experience and making it a great kit as a gift for your loved ones. The Iconic P8478 Sunglasses from Porsche Design - Experience eye fashion in a new way with Porsche Design! What makes the P8478 sun glasses iconic is being the first to create an interchangeable lens system—the teardrop lenses in the sunglasses can be easily changed with a quick-lock system that you turn to unlock and then replace with another interchangeable lens. This makes the sunglasses extremely adaptable and versatile to any lighting conditions whether you're outside or inside your car driving. Whether it's blindingly bright outside or a gloomy day but the sun's still out, these Porsche Design sunglasses are a great way to protect your vision and keep you in style! It's made from a lightweight titanium frame with resistant and coated lenses made from polycarbonate, all premium materials constructed together for a design that's both stylish and functional. Enjoy its high-quality packaging as well that completes the premium purchase experience so you have everything to care for the sunglasses.