INFERNO has a lifetime warranty that covers any defects whatsoever. All you have to do is complete our sunglasses lifetime warranty form. This does not include human error. We do however offer replacement lenses for our customers. Anything and everything scratches, so we offer you the courtesy of replacing your lenses instead of having to purchase new sunglasses. Isn’t that nice of us? We want you to enjoy your INFERNO sunglasses for many years to come and the most important aspect of our company is CUSTOMER SATISFACTION. Believe it or not, there is still a company out there that has your back. Welcome to the INFERNO family.