The Muck Apex Mid Zip Hunting Boots are part of a high-performance, all-terrain collection built on an innovative platform for high endurance outdoor pursuits requiring a more athletic and agile boot. 100% Waterproof construction coupled with breathable mesh lining to provide elite protection and moisture management. The boots deliver optimal traction in various terrain, including rocky cold/wet ground, and of course the MUCK.Features100% WaterproofBreathable Mesh-Sandwich Fabric Lining to Improve Air CirculationDual Density Comfort Footbed with Memory Foam for Long Lasting CushioningbioDEWIX Footbed Insert Topcover with NZYM for Odor Control and Moisture ManagementLightweight Midsole for All Day Comfort and SupportLugged Rubber Outsole for Durable Traction