The SF657SL SF657SL-260 does what it is supposed to do. Manufacturerd by a quality brand in Salvatore Ferragamo, means the SF657SL SF657SL-260 has been manufactured to last. Like all Salvatore Ferragamo sunglasses you will receive a manufacturer's warranty, & will be able to send back your Salvatore Ferragamo sunglasses in the event you are not entirely happy with your order.