I am 5’3”, 120 lbs. I got the squirrel cardigan in a M because I wanted it roomy, which it definitely is, but I like it this way. I could have easily gone down to a S, but I’m happy, so I’ll keep what I have. Arms are a little long, I just cuff them. Great fall colors, looks awesome with jeans or cords. I hope to have this for many years!!