LaCrosse Men&rsquo;s Adder 18&rdquo; Snake Boot 100% Leather/Fabric Imported Synthetic sole Shaft measures approximately 17" from arch Heel measures approximately 2" Boot opening measures approximately 17" around Full-grain leather with 1000 Denier nylon upper plus abrasion resistant toe cap for rugged durability Total protection with flexible 360-degree Snake Guard plus scent-free and waterproof Scent Dry lining Large pull loops for easy on/off with back gusset for an adjustable, secure fit Height: 18"