Keep your baby happy and warm with this cute sleeveless sleep bag. Made with premium organic cotton, it is super soft and luxuriously comfortable on their skin. The 0.5 TOG fabric is ultra-light and highly breathable so they can sleep soundly all night long. The lightweight upper chest fabric help regulate temperature better than traditional sleeping bags, which not only helps reduce the risk of overheating but also assists in reducing the risk of SIDS (Sudden Infant Death Syndrome), by allowing more air circulation around the baby's face without losing the warmth that keeps them cozy at night