LaCrosse Men&rsquo;s Alphaburly Pro 18&rdquo; 1600G Hunting Boot 100% Rubber, Neoprene Imported Rubber sole Shaft measures approximately 15.5" from arch Heel measures approximately 2" Hand-laid premium rubber over a 3.5mm neoprene core for flexible, waterproof, scent-free comfort. Weight- 5.5 lbs per pair Embossed liner increases air circulation inside the boot, wicks moisture and is quick drying Active Fit with adjustable neoprene gusset for easy on/off and a secure, comfortable fit on foot Multilayer rubber on the toe and heel plus a double-layer vamp of added support and durability 1600G Thinsulate Ultra insulation