BUTTERY SOFT FOR ALL-NIGHT COMFORT: Made from 70% rayon derived from bamboo and 30% cotton (100% polyester filling), our breathable, ultra-soft sleep sack ensures cozy, irritation-free sleep. The premium, hypoallergenic fabric regulates temperature, wicks moisture, and stays fresh. Rigorously tested and free from harmful chemicals. Anti-pilling and fade-resistant for lasting quality REAL-TIME TEMPERATURE CONTROL: Features an innovative visual temperature strip for instant baby comfort checks. The highly breathable fabric actively helps regulate temperature all night. Instantly see if baby is too hot, too cold, or perfectly cozy for ultimate peace of mind EFFORTLESS DIAPER CHANGES: 2-Way J-shaped zipper make diaper changes quick & easy. Unzip from the top or bottom for easy access, allowing you to change diapers without disturbing your baby’s legs or waking them up. SAFE, SECURE & COMFY FIT: Designed per AAP Safe Sleep Guidelines. Thoughtfully sized arm/neck openings ensure a secure, stretchy-yet-snug fit to prevent loose fabric. Every detail crafted for maximum safety and wrinkle-resistant comfort BUDGET-FRIENDLY: Machine washable, dryer-friendly, and wrinkle-resistant for busy parents. Reinforced stitching ensures fade-resistant, anti-pilling durability wash after wash. Tailored sizing grows with baby – a true budget-friendly option that lasts Give your baby the ultimate safe and cozy sleep with the Slumber Buddy Sleep Sack. Made from a premium double-layer construction (70% rayon derived from bamboo / 30% Cotton blend shell + 100% Polyester filling), this lightweight, hypoallergenic sleep sack naturally regulates temperature year-round with its absorbent, anti-static bamboo fabric. The integrated visual temperature strip lets you instantly check if baby is too hot or cold, while the flexible dual-access J-zipper and bottom snaps make nighttime diaper changes quick and simple without fully removing the sack or waking baby. Safety-engineered to follow AAP Safe Sleep Guidelines and rigorously tested as flame retardant (U.S. CPSC 16 CFR 1610 compliant), it offers chemical-free assurance with no harsh toxins. Designed for durability, the fabric stays strong through frequent washing and maintains ultra-softness thanks to reinforced stitching. Perfect as a versatile year-round option, the breathable 1.0 TOG works alone in warmer months and layers easily over pajamas in cooler seasons. Available in five precise sizes: S (0-6M), M (6-12M), L (12-18M), XL (18-24M), XXL (24-36M) – machine washable and dryer-friendly for effortless care.