Waterproof, seam-sealed full-grain leather upper with integrated pull tab. Removable TERRASPHERE quadruple layer liner. CLEANFEET Anti-Odor Treatment. 3M Scotchlite reflective Tape Quarters. High-grip rubber outsole, subject to thermal tests, with triangular spike relief. Direct injection molded PU shell underside, designed for cold weather, and heel support for easy removal. Double-layer mesh fabric insole, with moisture-wicking EVA antifreeze pad. CSA approved, electrical shock resistant (ESR) composite toe cap and plate. TERRA FIRMA-FLEX??: no metal elements. Comfort rating: -60°C/-76°F.
