DESC: Wolverine Men's DuraShocks® Static Dissipating Steel-Toe Chukka BootsWolverine 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. You've found them at BootBarn.com! Boot Features: Static dissipating Wolverine DuraShocks® Wolverine¨ Static Dissipating (SD) Boot and Shoes are rated SD Type I. Special outsoles and construction prevent the buildup of static electricity on uninsulated surfaces. (TPU) Polyurethane outsole and comfort system. Removable full-cushion dual-density polymer footbed. Full-grain leather upper. Direct-attach construction for strength and flexibility. Steel-Toe rating: ANSI Z41 PT99 I/75 C/75.