Our buttery soft Sleep Sacks offer the utmost comfort to your baby so both of you can have a more restful sleep. At 1.0 TOG, it provides the ideal warmth all year round. 1.0 TOG: 21 - 23 °C / 69 - 73 °F Product Features: Two-way side zipper so you can open it from bottom for diaper changes, or from top - for easy dressing Wider Zipper-pull guards to protect child’s skin and discourage child from chewing on the zipper pull Inside zipper lining to protect your baby’s tender skin Generous fit to let baby move and kick, promoting healthy hip development Breathable stretchy bamboo regulates baby's body temperature naturally Tag-less back for itch free wearing Easy care - it's machine washable No harsh flame-resistant chemicals used