Original lenses Set only , Adapted for the P8478 iconic sunglasses. Manufactured in high quality polycarbonate. Lens color selection according to Porsche Design's catalog. Available in four sizes - listed below Authenticity Guaranteed. Experience eye fashion in a new way with Porsche Design! What makes the P8478 sunglasses iconic is being the first to create an interchangeable lens system . Each one is made from polycarbonate and all other premium materials constructed together for a design that's both stylish and functional. You can also get the polarized ones, the non-polarized pair, or both to make sure that you are getting the right lens for your needs. The wide range of lens replacement exclusively for P8478 model is 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 , Porsche Design's interchangeable lens set provides a great way to protect your vision and keep you in style!​​​​​​​