Muck Boots Outmax 12in Boots - Men's Black Rock Ridge 13 MOX12M00 13M. 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 its ready for whatever the elements throw your way. A TPU shank and MaxFit Core footbed provide all-day support and comfort. Specifications for Muck Boots Outmax 12in Boots - Men's: Manufacturer: Muck Boots Gender: Male Age Group: Adults Men's Shoe Width: Medium Activity: Lifestyle/Hunting Toe Type: Rounded Weight: 25.6 oz Package Contents: Muck Boots Outmax 12in Boots - Men's Muck Boots MOX12M00 13M: Outmax 12in Boots - Men's Black Rock Ridge 13