Shires Jersey Cooler Combo in Navy/Blue. The Shires Jersey Cooler Combo is the perfect addition to your horses wardrobe, whether it be used for everyday wear, travelling, shows or for cooling after exercise. The Shires Jersey Cooler features a jersey outer and fleece inner that wicks away moisture but remains breathable whilst reducing the attraction of hair and stable debris. The cooler offers extra cover and protection with an extended neck cover that is fitted over the poll area, a chest lining for added comfort, a single chest strap, adjustable surcingles and a fillet string. Read more… Machine Washable.