Nora Noratherm S5 orange steel toe/midsole safety work wellington bootsSafety Category : S5 Marking Code : CI+SRC Features Midsole Toe Protection Insulation against cold Slip resistant Waterproof Description Polyurethane boots, that contains millions of tiny air bubbles, making the boots lightweight and giving excellent thermal insulation. UPPER: Anatomic Polyurethane upper OUTSOLE: Easy cleaning Polyurethane outsole, dust proof LINING: Anti bacterial sock FOOTBED: Removable insole made with an antistatic foam with extra