Angel Dear's sleep sack is absolutely amazing.
It is so incredibly soft to the touch. Featuring 1.0 TOG for ideal warmth year round, adjustable snap shoulders for the ideal fit, and a J shaped double zipper for quick nighttime changes.
Exterior: 95% Viscose from bamboo, 5% spandex. Filling: 100% polyester.
1.0 TOG: 21 - 23 degrees C / 69 - 73 degrees F
TOG is a rating system that measures warmth and calculates how quickly a fabric uses heat.