Boot Features: Nubuck leather w/Wolverine peformance leather upper Goodyear welt construction Unlined Removable full-cushion dual-density polymer footbed Fiberglass shank Wolverine is a leader when it comes to work boots. The inventor of the widely used and famous Durashocks comfort system, Wolverine is known for comfortable work boots that meet the demands “on the job” since 1883! Wolverines are tough, powerful, and comfortable for whatever you need - on the job, everyday!