Woolino 4 Season Sleep Bag w/ Feet, Merino Wool & Organic Cotton, Birch Gray 3-4T Very Good Condition- light pilling throughout Are you worried about which weight baby sleep bag to use and whether your baby will be too hot or cold while sleeping? With Woolino, there is no need to worry. The exceptionally breathable Merino wool naturally regulates baby's body temperature, which helps your child to sleep safely and comfortably through the night. It gives you peace of mind and a good night sleep as well. This amazing baby sleeping bag also saves you buying different sleep sacs for different seasons - you can use it year-round. FEATURES & BENEFITS Premium Natural Fabrics: silky soft Australian merino wool lining & organic cotton outer Merino wool regulates body temperature unlike any other fiber, keeping baby warm when it's cold and cool when it's hot Can be used in all 4 seasons - suitable for room temperatures 63-77F (17-25C) Foot openings allow child to sleep with feet out Unzips from bottom for easy diaper changes Zipper-pull guards to protect child's skin