In reply to Sharp:
> but read a review on here that mentioned it was a little tight around the waist.
That was me I think. My thoughts were that it was sized for wearing in cold conditions all the time and fitted for that (i.e. over say a midlayer) but if you wore it for it as a belay jacket (over slings of gear, harness with gear on it etc. and of course some sort of shell) going one size up from normal might have been a good idea.
But, looking at the review it was four years ago - I'm getting so old! - so I don't know if current models have changed at all.