The Ladies Black JS693S Sunglasses JS693S-001 does what it is supposed to do. Manufacturerd by a quality brand in Jil Sander, means the Ladies Black JS693S Sunglasses JS693S-001 has been manufactured to last. Like all Jil Sander sunglasses you will receive a manufacturer's warranty, & will be able to send back your Jil Sander sunglasses in the event you are not entirely happy with your order.