My lady friends birthday is coming up shortly, and I'd like to get her a hockey sweater. Myself, being an ogre, I always buy the largest size they have. Her, being the opposite, I don't know what size to buy. She's 5'4", 110 pounds, so; small, or medium? I know they make those "Women's jerseys", nuts to those things, though. I want to get her one of the actual replicas.