Armani Exchange AX4160S sunglasses feature a square shape with a standard size for easy everyday wear. The design is sleek and versatile, making it a great choice for anyone looking to add a touch of style to their outfit. The partly bio-based nylon fiber fronts and temples are made with parts of monomers generated by renewable sources. Armani Exchange sunglasses sold by authorized sellers, like Amazon, are eligible for all manufacturer warranties and guarantees. Click on the Armani Exchange link above the product title to shop the entire Armani Exchange sunglass and eyeglass assortment.