1.0TOG Bamboo Sleep Sack- PosiesThe only thing cozier: the womb. Down Alternative fill wrapped in silky soft bamboo rayon keeps your little nugget secure while the one of a kind WONDERZiP keeps them covered, even during diaper changes. This 1. 0TOG sleeping bag keeps baby warm, snuggly, and most importantly asleep all night. So get ready to sleep a lot. Like, a lot a lot. So magically fluffy you'll want one for yourself. Perfectly weighted to mimic & insulate like the coziest down