LaCrosse Men's Aerohead Sport 16" 3.5MM Hunting Shoes 100% PU Imported Rubber sole Shaft measures approximately 16.5" from arch Patented aero form technology delivers revolutionary comfort and durability in a markedly quiet boot Molded polyurethane over a neoprene core for ultra-lightweight, flexible, waterproof comfort Polyurethane reinforced shin and brush tuff bi-directional material provide abrasion resistance Active fit with adjustable neoprene gusset for easy on and off and a secure, comfortable fit on foot Moisture-wicking and quick drying polyester jersey liner