I feel that they are slimmer in the waist with more room in the hips, however every body is different and it depends on what you want to wear under the pants. I would recommend ordering both and returning the one that doesn't work. Sorry I couldn't be more helpful. Best of luck!
Answered on 2/14/2014 9:29:20 PM by Jrehl from Duluth
Hi, I purchased a S and am 5'3", 120 lbs, have larger thighs and a slim waist as well. Mine are a tiny bit big around the waist. They are slightly too long with shoes on but are a good length with ski or snowboard boots on. I recommend a S for you. I hope this helps!
Answered on 2/15/2014 1:00:29 PM by Amber from South Dakota