Designed for athletic hunters and outdoor enthusiasts of all types to move fast and with confidence on tough terrain, the Apex by Muck Boot is built with an innovative construction for high-endurance treks that require an athletic and agile boot with 100-percent waterproof and coupled with breathable mesh linings to provide elite protection and moisture management. This 8-inch pull-on boot features a waterproof lock-down zipper closure system on the upper, with a Velcro stretch collar for custom fit. A 5mm CR Flex-Foam neoprene liner is waterproof with exceptional comfort, flexibility, shock absorption and heat retention properties. An EVA midsole is affixed to a lugged rubber outsole for durable traction.