Choosing the correct size depends mostly on the babywearer's weight. If you are on the border between two sizes, use the questions below to help in making the final decision. With a padded sling, it is always better to err towards the smaller size - you definitely do not want your sling too big. If it is, your baby's weight will not be distributed evenly across your body and your baby will be worn too low on your body. Not only is this unsafe for your baby, but it will cause you lower back pain.

OTSBH Size	Your Weight (in lbs)
Small	70-120
Medium	110-180
Large	140-250