The Original Sleep Bag™ 2.5 TOG Wearable Blanket

This sleep sack is great quality, but it just hasn't kept our 5mo baby warm enough at night. His room is consistently between 65-68 degrees, and he wears a long sleeve footie pj at night. He was waking multiple times a night -- I thought this was just sleep issues until I switched to a Gunamuna 2.5 TOG sleep sack, and he's now only waking once during the night to feed. If your baby runs cool, this may not be the right sleep sack for you.