Amazon.com | ROCKY Sport Utility 600G Insulated Waterproof 。Please note, one shoelace probably needs to be replaced (see pics). Rocky Thinsulate thermal insulated duck boots provide rugged protection for cold-weather outdoor activities. These boots feature a durable brown suede upper paired with a waterproof rubber shell and a heavy-duty lugged outsole for superior traction. The interior is lined with Thinsulate insulation to keep feet warm in harsh conditions, while the lace-up design with metal speed hooks ensures a secure and adjustable fit. Perfect for hunting, hiking, or winter work.