Our size guide is bespoke to Hey Bert!

It's frustrating owning a pooch and being bamboozled by size guides that suggest your pooch should wear size XXXXXL (believe me, it's happened!)


So after gathering 100's upon 100's of customer research, collecting measurements from a vast range of breeds- we have created our own size guide to reflect this. 

To ensure you get the correct sized item, please measure your dog's chest, from just behind their front legs and get an accurate measurement to reference our size guides.

If your pooch is on the cusp of the next size, we'd recommend sizing up for the looser fit! 


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