A trainer and her horse which is wearing a Horse Rug

How to Choose the Right Rug size for your Horse

Take the guesswork out of rug fitting and avoid bald spots this winter! Read our expert guide for comfort and safety.

We all know getting a new horse can come full of it's own challenges, especially if you decide to fully buy it a new wardrobe and kit it out from scratch. Even more problematic is if you buy a youngster and it's constantly growing, so you really need to know how to measure it for its rugs. 

We've put together a handy little guide that will show you how to measure your new (or not so new) ponio.

Firstly, you need to make sure you know where you're measuring to and from. This will depend on your region. If you live in Europe, they tend to take the back seam measurement from the withers to the tail. In the UK/US they will measure from the chest through to the rear. So if you take both of these measurements it will help you to understand the rug sizes in the store, or online. Generally, depending on your horses size you will find that it will fit a certain size rug, but as you know, your 17'2 skinny thoroughbred, although it will still be in a big rug, might have a shorter back than your 16'2 heavy breed and therefore be in similar/smaller rugs. Simply knowing the height that corresponds to the size does not guarantee a good fit.

In short, it's best to measure your horse from both of those and then buy the rug that suits your horse the best against both of those measurements.

Once you have your new outfit, it's best not to chance it. Try it on with a clean sheet underneath, that way you can return the rug to the store clean and in resalable condition. Most stores don't ask questions if you keep it clean.

Now it's time to check the fit: 

1. Put the rug on the horse (over the clean sheet)

2. Check where the rug lies on the withers

It should not be too far back and should sit above the withers. If it's not this high then you will have rubbed shoulders from the rug slipping down their back. You can see in the image below that the rug sits well above the withers preventing it from slipping back.

A cheeky horse looking back at the camera as he is wearing his stable rug

Fouganza Horse Riding Stable Rug 400

Our 400 Stable rug is warmest across the horse's back, which is the area most sensitive and exposed to air currents when the horse is in the stable.

3. Once you're happy that it's done up and sitting right on the withers, check to make sure it's not too tight on the shoulders

Ideally the rug should be done up on the first or second hole on the front. If it's any looser you may find it's too tight on them and you need the next size up. . Both the straps should be done up on the same hole. Here is how the front should look:

The front two straps of a Horse Rug clearly showing the straps in the same holes

4. Next you need to check the back end

Make sure that the rug is not too long and the seam is sat in line with the top of their tail. The longer the rug the more likely it is to pull backwards on the neck (and rub), as well as additional risk factors like getting legs stuck in the leg straps and other potential injuries that might occur. If the seam is not sat above the tail then the rug is not the right length and you will need to get either a bigger size if it is above or smaller size if it is below. In the photo below can you see how the rug stops at the top of the tail, but it also sits nice and closely on the front and above the withers?

5. Once you're happy with that we need to look at how to adjust the straps

Firstly they must cross over the belly (front to back and back to front). Once they're done up you need to adjust them so that you can turn your hand sideways to touch both your horse's belly and the strap. Any less than this and it will be too tight, any more and they may get a leg stuck while lying down. You hand generally is no smaller than a hoof and should mean they should not be able to fit their hoof through the gap. 

6. Now you just need to adjust your leg straps

These again should not be really loose or really tight. The best way to adjust them is to make sure they do not hang low, but they equally should not be touching the skin of the horse anywhere. They should hang halfway between the top of the tail and the hock, where the leg curves in as in the image below. You can either do them up as in the photo below, or you can pass them back on to the same side with one looping through the other.

Photo of a horse rug showing how the leg straps should be hanging

If you've done all of this and you can see that they are all perfect then congratulations, you have a well fitted new rug. If it's not quite right, then work out if the problem's lie with the shape of the rug, or the adjustments that you have made. If it's the shape, then it's advised to return that rug and try another brand. Different brands fit horses differently, and if the one you picked doesn't fit your stocky cob, it might fit your narrower TB.

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