The innovative SWADDLE UP™ with patented wings, allows babies to sleep in a more natural position, with their ARMS UP™, so they can self-soothe via sucking. Medical research has shown that when babies can self-soothe, they can sleep for longer. The SWADDLE UP™ is intended to be used FROM DAY ONE™ and can help parents lay a strong foundation for sleep, from birth. The SWADDLE UP™ ORIGINAL 1.0 TOG is made from a single layer of specially knitted, high-quality, breathable cotton. The 1.0 TOG fabric is ideal for moderate temperatures.