The Muckmaster tall boot provides comfort in extreme conditions. With a stretch-fit top-line binding, these work boots stay snug to your calves; keeping warm air in and cold air out. The classic Muck Boot neoprene adjusts to the unique contours of your foot and the air mesh lining lets your feet breathe, making these commercial-grade work boots flexible, 100% waterproof and comfortable. The thermal foam underlay and the EVA moulded midsole provides optimum comfort and warmth underfoot. These high-performance work boots have extended rubber overlays and durable outsoles for ultimate protection and stability. No matter the weather conditions you're working in, these boots will make sure you stay dry and comfortable. 100% Waterproof Fully lined with 5mm neoprene for flexibility 2mm Thermal foam under the footbed for extra warmth Breathable air mesh lining Extended rubber overlay for extra protection Lightweight EVA midsole for comfort Durable lug outsole for grip Reflective pull-tab for easy on and off Suitable for men and women Hard-wearing outsole designed for optimum use on muddy surfaces Estimated boot height 43cm/ 17.6" Estimated max calf circumference 43cm/ 17.3" Measurements based on a size 8, variations may occur across sizes Half sizes order up