An icon in the special edition: the Porsche Design P' 8928 Turbonit, inspired by the anniversary model Porsche 911 Turbo 50 years. To underline the uniqueness, all of the new Porsche Turbo models feature a highly exclusive version of the modernised crest in the colour Turbonite. This elegant metallic Grey tone is also found in the design of the special edition of the P'8928, giving it a unique, modern and monochrome look. Extremely lightweight titanium and durable coated lenses made of scratch-resistant and virtually unbreakable polycarbonate ensure that these Porsche Design sunglasses with interchangeable lens mechanism not only enjoy an impressive innovative design but also maximum functionality. The unmistakable interchangeable lenses with 6-base curve lenses and Vision Drive TechnologyTM can be easily exchanged using a quick-release system, allowing them to be adapted to different lighting conditions and styles. The modern squared aviator shape of the lenses characterises the look of the sunglasses. Each pair of sunglasses in this special collection comes in a high-quality Turbo gift box with a special Turbo lens cleaning cloth. Laser-engraved limited edition number on the frame, limited to 1,974 units worldwide, based on the anniversary year 1974.