Muck Men。New no box. The Apex is a high-performance hunting boot built on an innovative platform for high endurance outdoor pursuits requiring a more athletic and agile boot. 100% waterproof and coupled with breathable mesh linings to provide elite protection and moisture management. The upper features a lock-down zipper closure system, a natural scree collar and surprisingly light-weight performance for great comfort and fit. Equally at home on loose rocky terrain, cold/wet ground and of course, the MUCK. - bioDEWIX™ Dry Footbed Insert Topcover with NZYM™ for Odor Control and Moisture Management Natural scree collar to keep debris out Lightweight design for agile, high-endurance performance Lock-down zipper closure system for a secure fit 100% Waterproof construction for ultimate protection Ideal for hunting and outdoor pursuits Breathable mesh lining for superior moisture management Comfortable in temperatures from sub-freezing to 65°F - Lugged Rubber Outsole for Durable All-Terrain Traction - Lightweight Midsole for All Day Comfort and Support - Dual Density Footbed with Memory Foam for Long Lasting Comfort - Breathable Mesh-Sandwich Fabric Lining to Improve Air Circulation - Upper Features a Lock-Down Zipper Closure System, with a Waterproof YKK® Zipper, the Industry’s Finest and Most Durable Technical Zipper Construction - 3mm Neoprene Bootie for Comfort and Performance - 100% Waterproof, 100% MUCKPROOF Comfort Range: Sub Freezing to 65°F / 18°C Estimated height: 20 cm. / 7.9 in.