Kenetrek Bobcat Cowboy Zip Insulated Pac Boot Super thick 6 ounce oil tanned leather uppers are contoured to fit your leg precisely. Oversized heavy duty zippers are easy to operate with one hand yet stand up to the toughest conditions. Removable 6 mm thick three part liner quilted from a wicking durable synthetic, 400 grams of Thinsulate Ultra Insulation, and finally 3 mm of wool felt to insulate even when damp. Hand made rubber cowboy bottoms feature a roper style toe and steel shanks with double thick midsoles. Stirrup friendly Kenetrek Cowboy Outsole design has a deep and open tread design for serious grip in snow and mud while the Stirrup Rail that surrounds the K-lugs keep them from catching on anything but the ground.