PROMOTES SAFER SLEEP : The HALO SleepSack wearable blanket replaces loose baby blankets for safer, sounder sleep. Designed to help babies transition from swaddling, this infant sleep sack keeps your little one warm and secure all night long. HIP-HEALTHY DESIGN: Recognized by the International Hip Dysplasia Institute, this baby sleep sack allows natural hip movement and healthy development. The roomy design lets babies kick and stretch comfortably while maintaining a snug, secure fit for restful sleep. ULTRA SOFT PLUSH FABRIC : Made from premium Plushy Dot Velboa fabric, this cozy baby wearable blanket delivers buttery-soft comfort and warmth. Gentle on delicate skin, it’s ideal for bedtime or naps and perfect for year-round use. EASY DIAPER CHANGES: A full-length, inverted zipper makes late-night diaper changes quick and easy without fully removing the wearable blanket. The zipper cover protects baby’s skin and adds extra comfort and safety. ALL-SEASON TOG RATING: With a midweight 1.5 TOG rating, this infant sleep sack is perfect for most nursery temperatures. Layer over cotton pajamas or bodysuits to keep baby comfortable through every season.