Dream Weighted Sleep Sack is designed to help your baby feel calm, fall asleep faster, and stay asleep longer. The sack features our exclusive CoverCalm® Technology, evenly distributed weight from your baby’s shoulders to toes to naturally reduce stress and give your baby the feeling of security and comfort - just like a hug. The gentle weight is located on the front (or top) of the sack only and will not restrict movement, so your baby can safely roll, sit or stand! A dreamy way to help your little one get the sound sleep they deserve! This sleep sack is a 1.0 TOG, perfect for 68-73°F or 21-23°C