When did your baby outgrow it? I read that you can use it up to 35 lbs, but that seems like a lot, and I recently read somewhere that after their baby was 16 or 17 lbs it was pretty uncomfortable. My LO is 14 pounds now and I haven't had problems thus far, but I am hoping to be able to wear her on vacation in May and I am trying to figure out if that is realistic. We will be doing a lot of walking.