Muck Black Chore Tall Boots, Size M10-W11 are expertly crafted to provide superior protection and comfort in harsh weather conditions. These boots are made with waterproof materials and construction, ensuring your feet stay dry no matter the environment. Featuring a breathable mesh sandwich-fabric lining, they promote excellent air circulation to keep your feet comfortable throughout the day. The bioDEWIX footbed insert includes a top cover with NZYM technology for effective odor control and moisture management, making these boots i for extended wear. Rated for subzing temperatures, they can be worn in conditions as cold as -65 degrees Fahrenheit, making them for hiking, fishing, or simply enjoying the outdoors with confidence and warmth. Model Number: