All the standard Muck Boot features plus:

* Steel toe
* Stretch-fit topline binding snugs calf to keep warmth in & cold out
* 5mm CR flex-foam bootie with four-way stretch nylon, 100% waterproof, lightweight & flexible
* Fleece lining
* MS-1 molded outsole is rugged, aggressive & durable for maximum protection & stability
* Double reinforcements on the instep, heel & Achilles
* 2mm thermal foam underlay added to the instep area for additional warmth
* EVA molded midsole with contoured footbed
* Added toe protection with wrap-up bumper
* Meets ASTM F2413-05