Muck Boots Muckmaster Hi Boots are commercial grade boots. They are made with a stretch fit topline binding that snugs your calf to keep warmth in. These boots are also made with 5mm neoprene bootie with 4-way stretch nylon.

• 100% waterproof
• Lightweight and flexible
• Extended rubber overlay
• 2mm thermal foam underlay in instep area
• EVA molded misole with internal contoured footbed
• MS-1 molded outsole