These hunting boots from Muck Boots have been popular with hunters for nearly a decade thanks to their warm fleece lining which helps to keep your feet toasty whatever the temperature including thermal foam underneath. The moulded outsole aims to keep you firmly stuck to the ground in place even on wetter surfaces and the contoured midsole gives you great support to ensure your comfort throughout the day., Warm Fleece Lining., 2mm Thermal Foam Under the Footbed., 5mm CR Flex-Foam., EVA Contoured Molded Midsole., MS-1 Molded Outsole.