Woolino Baby Sleeping Sack, organic cotton and wool, navy blue “night sky” print Features: Premium Natural Fabrics: silky soft Australian merino wool lining & organic cotton outer Can be used in all 4 seasons - suitable for room temperatures 63-75F (17-24C) Merino wool regulates body temperature unlike any other fiber, keeping baby warm when it's cold and cool when it's hot Two-way zipper for easy dressing and diaper changes Zipper guards to protect child's skin and to discourage child from chewing on the zipper pull Woolmark certified merino wool; GOTS certified organic cotton; All the fabrics and accessories are OEKO-Tex 100 certified (tested for 100 harmful substances) Great option for infant sleep! Keeps baby’s temperature regulated. Lightly used condition, label is a little faded but no other signs of wear.