Timberland premium full-grain leather upper with abrasion-resistant Ever-Guard leather forefoot and waterproof inner membrane. We are members of the Leather Working Group. Asymmetrical square-shaped composite safety toe cap, optimized with Carbon Shield technology. Protection against electric shock. Metal-free and scratch-resistant. Fiberglass shank for structural support. Polyurethane footbed with anti-fatigue technology provides shock absorption and energy return. Breathable, moisture-wicking lining with odor-controlling antimicrobial treatment. ExoSpine technology provides a stable and durable structure and improved heel positioning. Stitched welt construction provides durable compression bonding. Puncture-resistant metal-free plate. All-season, non-marking, grippy polyurethane outsole resists heat, abrasion and oil.