Muck Boot Men's Muckmaster Commercial Grade Mid Gumboot

- Commercial Grade Boot
- Stretch-fit top-line binding snugs calf to keep warmth in and cold out
- 5mm CR flex foam bootie with four way stretch nylon
- 100% waterproof
- Lightweight & flexible
- Extended rubber overlay for added protection
- Additional Achilles overlay for added protection
- 2mm thermal foam underlay added to the instep area for additional warmth
- Added toe protection with a wrap-up bumper
- EVA molded midsole with contoured foot bed (internal)
- MS-1 molded outsole if rugged, aggressive and durable for maximum protection and stability
- Comfort range of -29°C to 21°C