JiMarti Triad: FINALLY The JiMarti Triad Sunglasses The perfect sunglasses for virtually all outdoor activities. Please take a minute and Compare these features. Frame material is Grilamid TR90. Simply put, this is the finest material available today for Sunglass frames, and is widely used in Sports, Medicine, and industry where light weight & flexible durability are required. You can pay upwards of $300 for Sunglasses made from Grilamid TR90 from some of the high profile manufacturers. Soft imbedded nose and ear pieces for perfect fit and all day comfort whether you are cycling, skiing, or on the links. Flexibility of Grilamid TR90 allows a Perfect Fit and adapts to your head shape & size. Rimless design allows a full field of vision as you look downward. This is necessary when playing golf, cycling, running, or fishing. Lenses are Shatterproof Polycarbonate and are Decentered, Optical Quality for Zero distortion. Three (3) sets of interchangeable lenses are provided: Smoke Flash Mirror, Orange Mirror, and Blue Mirror. All lenses are rated UV400 and provide 100% Protection against UVA, UVB, and UVC rays. Soft Zip Case included with every purchase has separate pockets to store extra lenses, as well as protection sleeve for your sunglasses.