100% Polyester Imported AWARD-WINNING, HOSPITAL-TRUSTED DESIGN — The original HALO SleepSack Swaddle is used by over 1,800 hospitals and trusted by 30+ million parents for safer, sounder sleep. VERSATILE 3-WAY ADJUSTABLE SWADDLE — Adjustable wings allow swaddling arms in, hands-to-face, or arms out, adapting to your baby’s growth and preferred sleep style. WARM AND COZY MICROFLEECE — Made with soft microfleece and rated TOG 3.0, this swaddle provides safe, snug warmth in cooler nursery temperatures (61–64 °F) without extra layers. DOUBLE ZIPPER FOR EASY DIAPER CHANGES — Two-way zipper opens from the bottom for quick nighttime diaper changes without removing the swaddle. HIP-HEALTHY AND SAFE DESIGN — Recognized as “Hip Healthy” by the International Hip Dysplasia Institute, the HALO SleepSack Swaddle features a roomy, sleeveless design that allows natural movement and supports healthy development. The original HALO SleepSack Swaddle is the hospital-trusted choice designed to help babies sleep safely and soundly. Made from soft, plush microfleece with a TOG 3.0 rating, it provides cozy warmth in cooler nursery temperatures (61–64 °F) without the need for loose blankets. This versatile 3-in-1 swaddle allows parents to wrap baby arms in, hands-to-face, or arms out as they grow and their sleep needs change. Strong adjustable fasteners create a secure fit, while the sleeveless, roomy sack design supports healthy hip development and is recognized as “Hip Healthy” by the International Hip Dysplasia Institute. For tired parents, thoughtful details make all the difference. A two-way zipper opens from the bottom for quick and quiet nighttime diaper changes without fully removing the swaddle. Trusted by over 1,800 hospitals and millions of parents, the HALO SleepSack Swaddle replaces loose blankets in the crib, giving your newborn a safer, cozier, and more restful night’s sleep.