Muck boots derwent ii all purpose boot with an ms2 bobbed moulded outsole for an aggressive tread pattern the derwent ii offers quality functionality and comfort in one product fasteningslip on material compositionother materialsother materialsother materialsother materialscare instructionspolishing will help prolong life and will assist removing unwanted marks scuffs and scrapes 4mm cr flex foam pk mesh lining comfort topline reinforced toe and ankle rubber outsole with aggres