Porsche Design P8928T Sunglasses combine ultra-light titanium construction with an interchangeable lens system for versatile everyday wear. The modern squared aviator design delivers a bold, functional look with easy lens changes for different light conditions. Key attributes: Black | Indeterminate | Titanium | UV protection | Impact-resistant lenses | Ultra-lightweight frame | Interchangeable lens system | Quick-lock lens change mechanism | Squared aviator silhouette | Modern squared aviator design | Dimensions & fit: Lens width 67 mm | Composition & care: 100% titanium | Coated polycarbonate lenses | Wipe with a microfibre cloth only.