LaCrosse Men&#39;s 10" Iceking Cold Weather Boot,Brown,13 M US,LaCrosse,10" Iceking" /> 100% Leather Rubber sole Constructed out of 100% waterproof, ozone-resistant rubber bottom and water-resistant leather upper Quick drying removable foam liner provides warmth Plain toe 400G Thinsulate Ultra Insulation for warmth Fiberglass shank for arch support