BELT help please

[MumonabikeE5]

Wise women. I barely shop, so I bow down to your expertise.

I will like to buy a slim brown and gold belt for. Good friend.
she has a waist of 28&1/2”
I found leopard patterned one in anthropology that was perfect. But they don’t have an XS in stock and the S would be too large.

have you any suggestions oh wise mavens?

A waist of 28.5 " isn't XS, get the S.

I have a 28" waist and would buy medium. There's no way I could get away with XS.

Thank you.
I am confused. I measured an actual belt and 28.5cm didn’t touch a hole on the Small anthropology belt.
I’m going to end up messing this up

This might be useful

www.tailshotpolo.com/en-gb/pages/belt-sizing-chart

@MumonabikeE5 , Are you sure your friend's waist is 28.5 cm?

28.5" is 72.39 cm

that would be absurd . Inches. 😆

Was it this one?