Porsche Design 8478 sunglasses are the first sunglasses in the world with an interchangeable lens mechanism. Each pair of 8478s are carefully crafted using lightweight titanium paired with scratch and impact-resistant polycarbonate lenses offering 100% UV Protection. The 8478 Porsche frames one of the most innovative and recognisable aviator designs on the market. The Porsche Design 8478 W sunglass is super lightweight and comfortable offering unrivalled performance that is synonymous with Porsche. This frame is a re-release by Porsche Design of the original ‘Exclusive’ and is known as part of their ‘Heritage’ collection. constructed in Japan from lightweight titanium each pair of Porsche Design eyewear boasts teardrop-shaped lenses which can be quickly and easily exchanged using the flip lock at the bridge of the nose to adapt to different light conditions. The 8478 W sunglasses come with two sets of lenses; Azure Gradient Lenses and Brown Lenses, perfect for any occasion. However, if you wish to add to your collection of Porsche 8478 lenses, you can view our extensive range here: Porsche Design P8478 Lens Set. Each pair comes with a Porsche Design hard case, a soft pouch to hold extra lenses, and a Porsche Design cleaning cloth. The P’8478 are unisex and come in 4 different lens sizes: 60mm, 63mm, 66mm and 69mm. The two most popular lens sizes are 66mm and 69mm which will provide you with a more ‘oversized’ look – most recognisably these frames are worn by the Kardashian/Jenner family.