The Muckmaster from Muck Boots is well known as a respected and popular option among farmers and outdoor workers and it has been for nearly a decade. These tough durable boots carry a tall rubber outlay which means that not only are they particularly warm and cosy but they are also strong enough to withstand sharper objects. The breathable airmesh lining ensures that your comfort is paramount and ensured while wearing them., Breathable Airmesh Lining., Calf-High Extended Rubber Overlay., 2mm Thermal Foam Under the Foot Bed., 5mm CR Flex-Foam., EVA Contoured Molded Midsole.