Muck boots muck boot muckmaster hi another classic in the muck line up the muckmaster has served farmers and an array of outdoor workers for nearly a decade with its tall rubber overlay these rugged boots withstand sharp objects and are extremely warm even standing in a wet field fasteningslip on material compositionother materialsother materialsother materialsother materials breathable airmesh lining calf high extended rubber overlay 2mm thermal foam under the foot bed 5mm cr