I also have the vest and the thermal jacket. They are both available only in the 'unisex' sizes.

Like snap mentioned above, I'm 5'7", now up to 150 lbs ... grrr... wear a size 10 and I'm flat-chested (oops, 36A, not 34A like I said in snap's post above. Whaddever.).

I had originally ordered the vest in size Unisex Small, but I could barely get the darn thing to zip at my hips. And that was 10 pounds ago even, when I was flirting with size 8

So, I sold the small vest to velobambina, and bought someone else's unisex medium vest. That fits me fine over the hips but it's a bit roomy on top, but that doesn't matter to me. It's a very nice vest, I wear it a lot.

As for the thermal jacket, I bought that in size unisex medium. It's fine for wearing over close-fitting cycling clothes (I wore it a few times this past winter when we actually had cold days, and it was a champ). But it's very snug at the hips if I try to zip it up when I'm wearing jeans. My only other qualm with the thermal jacket is that the arms are a bit long for me.

HTH, - Jo.