Porsche Design follows a clear design philosophy: optimize function. Conferring to the vision that inspired founder Prof. Ferdinand Alexander Porsche, the Porsche Design Studio continues to rigorously pursue superior quality and extraordinary design in each of its creations. These Porsche Design Unisex Interchangeable Squared Aviator sunglasses come in a black metal material and a black metal frame with black/blue/silver-mirrored lenses, a perfect color palette to match any style this summer. Customized with the signature brand details, this eyewear comes in its original branded case with a complementary cleaning cloth.