Irish Setter Men's 4883 Rutmaster 2.0 17" 800-Gram Rubber Boot 100% Rubber Imported Rubber sole Shaft measures approximately 15" from arch Boot opening measures approximately 19.5" around 17-inch pull-on rubber hunting boot with vulcanized rubber-3.5mm Neoprene and 1200 gram Primaloft insulation UltraDry Waterproofing System RPM Composite technology to reduce weight without sacrificing comfort or durability ScentBan technology to kill odor-causing bacteria ExoFlex Technology allows for easy on and off with locked-in fit