Shires Tempest 200 Stable Rug
How to measure for your perfect fit
Using a tape measure or a piece of string you can measure later measure your horse from the centre of his chest, horizontally along his side, finishing at the point of his tail. If your horse is between sizes, you're usually better to go up a size than down.
When you're trying a rug on your horse, put it on over the top of a summer sheet. This won't affect its fit but will stop any hair sticking to the rug, so if it doesn't fit you can return and exchange it. Remember to keep your receipt and all tags from the rugs.