LaCrosse Men's Alphaburly Pro SZ 18 RTXT 1000 Hunting Boot 100% Rubber, Neoprene Imported Rubber sole Shaft measures approximately 18" from arch Hand-laid premium rubber over a 3.5mm neoprene core for flexible, waterproof, scent-free comfort Embossed liner increases air circulation inside the boot, wicks moisture and is quick drying Active Fit with adjustable neoprene gusset for a secure, comfortable fit on foot, along with a full length side zipper for easy on/off. Multilayer rubber on the toe and heel plus a double-layer vamp of added support and durability 1000G Thinsulate Ultra insulation