The Alphie Sleep Pouch is the next step after swaddling. The Alphie is designed to be snug to give your little one the comfort they know with the freedom they need as they grow. Thoughtfully crafted with our signature moisture-wicking fabric and smart stretch design, Alphie helps babies sleep longer, safer, and more peacefully through every stage. From easy diaper changes to an extended size range that goes up to 5T, Alphie is the only sleep sack you'll need for years of restful nights.