Baby sleeping bags ensure that your child is always covered and warm, regardless of how actively they may sleep. Baby sleeping bags - also called a baby sleep sack - are the safest, most comfortable alternative to traditional loose baby bedding. Designed as a “wearable blanket” a baby sleep sack keeps your baby comfortable and warm all night long, so you’ll sleep better too! Ekobebe selected the best allseason baby sleeping bags for you from Lotties. All sleaping bags are made from organic, chemical free materials so you can be sure you give your child only the very best.