Sweaty Betty sizing?

[LifeAfterBreastCancer]

Hi
I'm after some leggings from Sweaty Betty. I'm a regular runner and I would say a generous size 12.
Any thoughts on which size I should go for? Will I get away with a M?
TIA

Large is a 14. XL a 16-18 if you are bottom heavy and have a relatively slim waist.

Size 10 is an S. My friend wears M and she is 12-14

I'm a 12-14 and the medium leggings fit perfectly.

I’m a 12 and wear the small which fit me perfectly. I’m 5ft 6 and weight 10.7 if that’s any help. I also ordered a Medium at the same time and found very little difference as they’re so super stretchy. I love mine!

I’m 10 on the bottom and wear a small, I reckon M would be good for a 12.

I'm a 10 and a S. I find sweaty betty leggings a bit big around the waist but wouldn't get away with an XS on my legs - but I can only cope with leggings for running which are v snug. I've just lost some weight and when I was a size 12 in trousers I wore an M.