A N EXERCISE RUG covers your horse's hindquarters and is designed to keep him warm and dry while you're hacking or schooling. These rugs are used mainly during the winter months on horses who are clipped to provide warmth across their back and loins. Such a rug can also prove helpful at any time of year during warm ups and cool downs to keep your horse's muscles warm.
Some exercise rugs have a waterproof outer and are designed to protect your horse from the rain and cold. Many are breathable to keep him at a comfortable temperature while he's working. There are also a number