Muck Boots Xplorer 12" Outdoor Farm & Ranch Boots Rugged outdoor conditions call for a boot that can handle wet ground, mud, and changing terrain. This pull-on boot features a rubber upper with a breathable mesh lining for increased airflow throughout the day. The MaxFit Core BioLite footbed provides all-day comfort and support, while the BioLite foam midsole adds exceptional cushioning underfoot. A durable rubber outsole completes the outdoor-ready construction.