Amazon.com | MUCK Men。100% Waterproof, 100% MUCKPROOF Dual Density Footbed with Memory Foam for Long Lasting Comfort Breathable Mesh Lining Facilitates Air Circulation to Improve Comfort and Reduce Heat and Moisture Shovel-Ready Nylon Shank for Added Underfoot Stability when Using Garden Tools Muckskin Flexible Neoprene with Abrasion Resistant Rubber Coating Easy Slip On/Off with Dual Density Comfort Footbed with Slow Recovery Foam and Long Lasting Cushioning Guarden Rubber Toe and Heel for Durability and Extended Wear Self-Cleaning Rubber Outsole for Optimal Traction and Reliability bioDEWIX™ Dry Footbed Insert Topcover with NZYM™ for Odor Control and Moisture Management Lightweight Midsole for All Day Comfort and Support