Premium nubuck leathers for comfort, durability and abrasion resistance. Direct-attach, seam-sealed waterproof construction keeps feet dry in any weather. Padded collar for a comfortable fit around the ankle that helps keep out debris. Timberland's exclusive anti-fatigue technology for all day wear. Rustproof hardware for long-lasting wear. Footbed and shaft of the boot is lined with soft leather; the toe box and forefoot are lined with breathable fabric. Rubber lug outsole for traction and durability. 400 g insulation.