Carhartt PU Coated Steel Toe Insulated Wellingtons have 400g LiteFire™ insulation, which gets sprayed onto the boot lining as a gas and dries super-thin'the equivalent of having 400g of Thinsulate™-type insulation. The 11"H Carhartt Wellingtons are made of oil-tanned leather with an abrasion-resistant Cordura® upper shaft. Feature durable direct-attach welt construction and dual density PU outsoles for oil-, chemical- and slip-resistance. Waterproof membrane. Imported. Carhartt CMP1259. Steel toe is ASTM 2413-05 and EH rated. Specify size from the drop-down menu above.