This item is a return from an online customer- it is unused but its' label and packaging are either damaged or missing The Kingfihser is an authorized dealer and if applicable it still has a full factory warranty. As described on the products website: Every pair of Korkers wading boots are powered by the OmniTrax® Interchangeable Sole System. Our tech allows for customized traction on the fly with the most design options to choose from in the industry. Travel without fear, mix & match, or aggressively upgrade soles to your heart’s desire. Backed by our Rock Solid Guarantee, you’ll enjoy our boots for the long run. If a sole wears out before you do, simply “resole” your boot by snapping in a new set.