The Muck Boots Men's Outmax 12" Rubber Boot is the next evolution in high-performance, all-terrain footwear. The comfort-first BioLite foam midsole offers lightweight cushioning while the rugged outsole featuring 4mm lugs and deep flex grooves delivers stability, traction, and protection across any terrain. Constructed with 3mm of our signature Muck Boot neoprene and treated with a durable water repellent (DWR) finish, it's ready for whatever the elements throw your way. A TPU shank and MaxFit Core footbed provide all-day support and comfort. The Outmax was built to outlast and outperform. Features100% waterproof, 100% MUCKPROOF3mm neoprene bootie with DWR treatmentBreathable mesh liningTPU shank for stability and heel bevel to reduce fatigueBioLite foam midsole for exceptional underfoot comfortRugged rubber outsole with 4mm lugs and deep flex grooves for traction and debris expulsionMaxfit Core BioLite footbedbioDEWIX Dry with NZYM uses natural, plant-based enzymes that break down ...