Zip-up swaddle that allows your baby to sleep in a more natural arms up position. Small size! 1.0 TOG fabric is ideal for moderate climates Ideal for room temperatures between 68°F & 75°F Single layer of fabric to reduce risk of overheating Acknowledged as a hip-healthy product by the International Hip Dysplasia Institute; design allows the recommended flexion for hips & legs Twin zipper for easy changes No loose layers to kick off during sleep Fabric content: 93% Cotton, 7% Elastane Easy care: machine washable & tumble dryer friendly