The Timberland Mudsill combines a casual hiking silhouette. with the features you'd expect from a work boot; steel toe construction, electrical. hazard protection, and a slip-resistant rubber outsole.Oiled leather upperTimberland PRO(R) Rubber offers reliable slip-, oil-, and. abrasion-resistanceElectrical hazard protection meets ANSI Z41PT99, ASTM. F2412-11, ASTM 2413-11 and F2892-11 standards to provide protection from open. circuitsSteel toe meets safety standards and is engineered with a. wide-flanged, tempered steel toe capCompression-molded EVA midsole for lightweight cushioning247 Comfort Suspension(TM) supports the arch and cushions. every step to help to reduce foot fatigueNylon shank for added supportOrthoLite(R) footbed with Agion(R) anti-microbial cover for odor. controlAntimicrobial lining helps reduce foot odor .