Innovative Arm Pockets: Designed for babies who prefer hands-up sleeping with pockets to keep hands near the face or as a transition aid for moving to arms-out sleeping. | Transition Made Easy: Wear over any swaddle or sleeping bag to help transition your baby from arms-in to arms-out sleep with minimal disruption and added comfort. | Temperature Control: 0.2 TOG rating provides a light layer suitable for various room temperatures. | Comfort and Breathability: Made from GOTS certified organic jersey cotton ensuring breathability skin-friendliness and comfort for sensitive skin. | Adjustable and Practical: Features a super stretchy adjustable fit fold over arm pockets and is machine washable for easy care.