Fleece material with a layer of the Welltex Back On Track Ceramic fabric closest to the dog- These coats are perfect for the sporting dog, older dog, or indeed any dog! Use for warm up pre and post competition, as a therapy coat for older or injured dogs, Ideal for post hydrotherapy to keep the dog warm- the wicking properties of the coat will ensure your dog dries quickly after swimming and stays warm- or just after a wet winter walk!The textile is made up of fibres of polyester and polypropylene (some of the products are mixed with cotton fibres) with a ceramic powder fused into the fibres. The ceramic gives the fabric its unique property, which reflects body heat in the form of infrared heat radiation.