Designed to be worn over pajamas, this wearable blanket by aden anais offers cushion-like comfort minus the stress of loose blankets in the crib thanks to its super snuggly muslin shell with a hypoallergenic fill. Perfect for cooler seasons and temperatures, the sleeping bag ensures a peaceful night’s sleep for baby and you. The zipper opens along the front, making nighttime changes easy. Machine washable, it stays soft wash after wash. Our winter baby sleeping bag 2.5 Tog is ideal for nurseries with ambient room temperatures between 60 and 68 degrees.