The PH4072 PH4072-57-539887 does what it is supposed to do. Manufacturerd by a quality brand in Polo Ralph Lauren, means the PH4072 PH4072-57-539887 has been manufactured to last. Like all Polo Ralph Lauren sunglasses you will receive a manufacturer's warranty, and will be able to send back your Polo Ralph Lauren sunglasses in the event you are not entirely happy with your order.