Rudy Project Tralyx XL Matt Black Impact X 2 Photochromic Sunglasses Rudy Project Tralyx XL Black Matt Impact X 2 Photochromic Sunglasses AN ADJUSTABLE NOSE Adjustable nose pieces are extremely comfortable and offer an exceptional fit for any face shape. This system can also be used to adjust the glasses in height and their distance from the face to avoid fogging ADJUSTABLE TEMPLES Create a fully custom fit and perfect grip. Simply apply gentle pressure to adjust these terminals in any direction. GRILAMID FRAME Rudy Project uses Grilamid®, a hypoallergenic, high quality, light shock resistant thermoplastic for its stability, flexibility and durability. KYNETIUM The experts at Rudy Project have registered this magnesium, silicon, and titanium aerospace aluminum in order to make ultralight, versatile sunglasses with unmistakable performance.