The Carhartt Wellington Boot is a waterproof, insulated work boot made of full-grain leather and 1200 denier Cordura nylon. It has a rubber sole and welt construction with a steel shank for support. The boot has 400 grams of 3M Thinsulate Ultra insulation to keep feet warm in cold conditions. Other features include a padded collar, speed lacing hooks, and a pull loop at rear for easy on/off. This rugged Wellington-style work boot provides warmth and waterproof protection for working outdoors.