- 100% Waterproof - 4mm Neoprene Bootie for Comfort and Performance - Lace-up Construction for a Tailored Fit - Durable Metal Hardware with Speed Hooks for Rapid Lacing - Breathable Air Mesh Lining Facilitates Air Circulation to Improve Comfort and Reduce Heat and Moisture - Dual Density Footbed with Memory Foam for Long Lasting Comfort - bioDEWIX Anti-Microbial Footbed 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