Iroquois skull Boots & wellies in available in size 11 Men's Harley Davidson Iroquois Skull leather boot, with square toe, inside zip fastening, rubber sole and 3-cm heel. Non-removable insole. Measurements are based on a size 41 shoe. With their rounded, solid shape and their spurs, these Iroquois Skull ankle boots from the legendary Harley Davidson brand are made for the modern day cowboy who has swapped his horse for a motorbike. Wear them with panache!