Dual Sleep Solutions: The Butterfly Cardi offers two sleep solutions in one product. It can be used over any arms-out swaddle or sleeping bag to support babies who prefer to sleep with their hands near their face. Additionally, it can be worn over an arms-in swaddle to aid in transitioning to arms-out sleeping as babies begin to show signs of rolling. Hands-Up Sleeping: For babies who find comfort sleeping with their hands near their face, the Butterfly Cardi can be worn over a Cocoon Swaddle Bag (sold separately) with arms-out. The unique butterfly wing pockets help contain the hands near the face, providing comfort and security. Transitioning Out of Swaddle: As babies begin to show signs of rolling, it's important to transition them to arms-out sleeping for safety. The Butterfly Cardi aids in this transition by providing a sense of containment with its unique arm pockets. By gradually releasing one arm out of the swaddle at a time and into the pocket, babies can adjust to sleeping fully arms-out over a period of 10 days. 0.2 TOG Rating: The lightweight 0.2 TOG rating makes the Butterfly Cardi a suitable layer for use over any sleeping bag in various room temperatures. Comfort and Safety: The Butterfly Cardi is designed with super stretch in all directions to ensure babies remain comfortable and allow for full chest expansion during breathing. Its position on the body does not interrupt the natural sleeping position for healthy hip joint development. Premium Organic Fabric: Made with GOTS certified organic jersey cotton, the Butterfly Cardi features natural fibers that are breathable and help regulate temperature overnight. The fabric is skin-friendly and suitable for babies with eczema and dry skin conditions. Additionally, all ergoPouch fabrics are dyed with non-toxic water-based dyes. Overall, the ergoPouch Butterfly Cardi provides a safe, comfortable, and versatile sleep solution for babies, offering support for various sleep styles and aiding in the transition to arms-out sleeping when needed.