Tween boy paddock boots

My 10 yo, large for his age son is finally starting to ride more and I wanted to buy him some paddock boots. But he is a Kid’s size 7/Men’s size 5. I can’t find any paddock boot offered in either size. Anyone have ideas? thank you!

Not sure if you have a local tack shop that would allow him to try boots on right now or not. Could he do a women’s 7? I think women’s sizes (in US) are 2 sizes up from equivalent men’s size. Not sure if they would be wide enough though.

Thanks. I ordered some cheap ones that are 2 sizes up based on a friend’s rec.

Our son always rode in Blundstones