Premium full-grain and 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 is designed for people on their feet all day, with unique inverted, molded cones which absorb shock and return energy to feet Laces are made from 100% PET (recycled plastic bottles) 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 Primaloft insulation All sizes are displayed in standard Mens US sizing, for more info click on our size guide.