Premium waterproof leather with waterproof membrane for abrasion resistance and dry feet. Molded Timberland PRO® rubber toe protector for increased abrasion resistance and durability. Combination three-quarter Goodyear welt/cement heel construction. Rigid external heel cup for lateral stability. Dual-density polyurethane (PU) midsole and cold formula Thermal Plastic Urethane (TPU) outsole. Unique "fingergrip" pull-on for ease of entry. Padded top collar for comfort. Dual-purpose top hardware for instant lacing customization. Fiberglass shank for structural support. Efficient flame-laminated Thermolite® 600g insulation for warmth without bulk. Dual-density Dynamic Anti-Fatigue Technology absorbs shock and returns energy at key zones of the foot while providing enhanced moisture management for all-day comfort. Construction on TiTAN® last for superior comfort.