• Waterproof nubuck leather upper
• Feet stay dry and comfortable with permanent direct-attach construction to seal out water and patented, long-lasting Dri-lex® sweat-wicking lining
• 200-gram Thinsulate™ Ultra insulation adds warmth
• Removable double density footbed adds cushioning and stability
• Tough, lightweight polyurethane midsole
• Fiberglass shank stabilizes foot, weighs 75% less than steel, and reduces fatigue
• Energy-returning Wolverine DuraShocks® polyurethane outsole