(Examples include Brittanys, Golden Retrievers, Tibetan Spaniels, Border Collies): The combination coat has both a short, smooth coat and a long, silky coat. A very short coat is on the face and front sides of the legs; a short, dense coat is on the body; and a longer coat is on the tail, the undercarriage, and the rear sides of the legs. Usually breeds with a combination coat have seasonal sheds. The long coat between the feet and the pads is prone to matting and accumulating dirt and debris, and so needs to be trimmed