Timberland premium full-grain leather upper with waterproof inner membrane and 1000 grams of insulation. We are members of the Leather Working Group. Asymmetrical composite safety toe cap. Protection against electrical hazards. Fiberglass shank for structural support. Puncture-resistant metal-free plate. Polyurethane footbed with anti-fatigue technology provides shock absorption and energy return. Dual-purpose metal elements promote personalized lacing. Timberland PRO molded rubber protective toe cap. Rigid outer heel cup promotes lateral stability. Breathable, moisture-wicking lining with odor-controlling antimicrobial treatment. Construction combining a three-quarter stitched welt and a welded heel. Lightweight, all-season, abrasion-resistant TPU outsole Non-marking, slip- and oil-resistant TPU outsole features deep lugs for good bite in mud and snow.