The Chemist-S QHC UZ Matt Black Red Sunglasses 240853QHC55UZ does what it is supposed to do. Manufacturerd by a quality brand in Smith, means the Chemist-S QHC UZ Matt Black Red Sunglasses 240853QHC55UZ has been manufactured to last. Like all Smith sunglasses you will receive a manufacturer's warranty, & will be able to send back your Smith sunglasses in the event you are not entirely happy with your order.