A working dog needs a different type of harness to our fleece walking range. This includes dogs used for Sledding, Cani-X, Scootering, Bikejoring, Skijoring, and Tracking. Rather than loose lead walking, the dog needs to be able to pull into the harness so, for this reason , these harnesses sit further back on the dog. The most popular working harness is the X-Back which was invented in 1953 in Montana and has become the recognised standard for sled dogs around the world. Whether you are training a husky or malamute to pull a rig or sled for fun, or you aspire to win the Iditarod or the Yukon Quest, these harnesses are for you. These harnesses have been copied, but never bettered and are now available to mushers and enthusiasts in the UK. ZIMA X-BACK CLOSED CELL FOAM HARNESS. The standard construction consists of black webbing with neck and chest padding made of closed-cell foam which is very lightweight and water-repellant. They are great for sled dog racing, working with sleds or rigs and even for skijoring, bikejoring, or dog scootering. Padding colour is coded according to size. The harnesses can be customised any way you wish. Order by standard size or send us your dog's measurements by downloading the sizing chart above. Please be aware that these harnesses are hand-made in Montana and the custom sizes will be made especially for you, so please allow 2 to 3 weeks for delivery. Customs sizes are non-returnable.