In 1978, Porsche Design made history with the P'8478, the first sunglasses with interchangeable lenses, designed by Professor Ferdinand Alexander Porsche. For the 40-year anniversary, Porsche Design presents the legendary shades in a special "40Y" edition, limited to 1,978 pairs and featuring a unique matte-black titanium frame with gold accents on the characteristic bridge, lens holders and nose pads. The new style comes in an exclusive travel box and with four additional sets of colored lenses.
 
The frame is manufactured from high quality lightweight titanium. The lenses are made of scratch-resistant polycarbonate and offer 100% UV A & B protection.
Each frame comes with 3 interchangable lenses
Available in the following 4 sizes:
60-10-135
63-10-135
66-10-135
69-10-135