LaCrosse Men&rsquo;s AeroHead 18&rdquo; 7.0mm Hunting Boot 100% Rubber/Neoprene Imported Rubber sole Patented AeroForm technology delivers extreme comfort and durability in a markedly quiet boot Molded polyurethane over a 7.0mm neoprene core for ultra-lightweight, flexible, waterproof comfort Thick polyurethane midsole for best-in-class cushioning and insulation underfoot Oversized polypropylene shank covers the entire arch area for added stability and support Polyurethane shell and Brush Tuff bi-directional material provide abrasion resistant protection Active Fit with adjustable gusset for easy on/off and a secure, comfortable fit on foot Moisture wicking and quick drying polyester jersey liner