The Apex is 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 linings to provide elite protection and moisture management. Lugged rubber outsole is designed for optimal traction in various terrain, including rocky, cold/wet ground and of course, the MUCK. This version features REALTREE EDGE™ camouflage print. 100% Waterproof Featuring RealTREE® Edge™ Camoulfage 4MM Neoprene Adjustable Strap Closure for a Tailored Fit Thermo Regulating (TR) Fleece, a Revolutionary Open-Fiber Technology that Wicks Away Moisture up to 33% better than a Standard Synthetic Fleece to Maintain a Comfortable Temperature Range Dual Density Footbed with Memory Foam for Long Lasting Comfort bioDEWIX™ Dry Footbed Insert Topcover with NZYM™ for Odor Control and Moisture Management Lightweight EVA Midsole for All Day Comfort and Support Lugged Rubber Outsole for Durable All-Terrain Traction 100% Waterproof, 100% MUCKPROOF All-Terrain Lugged Rubber Outsole for Durable Traction bioDEWIX™ Dry Footbed Insert Topcover with NZYM™ for Odor Control and Moisture Management Breathable Mesh-Sandwich Fabric Lining to Improve Air Circulation Dual Density Footbed with Memory Foam for Long Lasting Comfort Lightweight EVA Midsole for All Day Comfort and Support Upper Features a Lock-Down Zipper Closure System, with a Waterproof YKK® Zipper, the Industry’s Finest and Most Durable Technical Zipper Construction