"The 8478 is the first sunglasses in the world with interchangeable lens mechanism. With a quick release , the lenses can exchanged for replacement lenses to be prepared for different lighting conditions.
The Porsche Design "exclusive sunglasses" is manufactured from high quality and extremely lightweight titanium and unbreakable polycarbonate and provide 100 % UV protection.
Including a pair of extra lenses."
**Please note there are two sizes