Today, Wolverine is a leader in the industry because of a relentless commitment to continuous innovations in comfort technologies. Wolverine has built upon the original Wolverine DuraShocks tradition with a long line of proprietary comfort systems that include Wolverine DuraShocks SR, Wolverine Fusion, Wolverine Compressor, Wolverine MultiShox, Wolverine MX, and the most recent introduction, Wolverine Contour Welt. Unique to Wolverine, these comfort systems are backed by a 30-day comfort guarantee - they are The Worlds Most Comfortable Boots and Shoes. Guaranteed.