These Are the 10 Baby Products We Couldn't Live Without This Year

Sleep sacks allow your little one to sleep with a blanket that doesn't pose a SIDS risk, making Nuzzlin's sleep bag ($13) the perfect, lighter-than-air solution for any season. It's made of a new generation of muslin that is both gentle on sensitive skin and breathable for even the warmest nights (whether that warmness is a result of dry heat in the Winter or humid heat on a Summer night).