I discovered that the built in shelf bras are really there to catch baby throw up/spit up. Somehow Aven completely missed my shirt but spit up down my v-neck shirt. Luckily I was wearing a sports bra which was able to collect all of the spit up in a neat little pile. Ahh, the joy of babies. It seems that I don't have a shirt that hasn't been drooled on or spit up on yet! It is worth it though.