An easy to wear wellington with superior comfort. Featuring ERGO: a series of design principles that work together to deliver footwear that promotes foot health by integrating stability, flexibility and comfort - enhancing the natural movements of the foot. ASTM F2413-11 I/75 C/75 Steel Toe. Full grain leather upper. Nylon mesh lining. Nylex plus PU sock liner. Poured PU midsole. Ultra work compound outsole. Cement construction.