Amazon Essentials x Sofia Grainge Unisex Babies' Cotton Long Sleeve Sleep Sack, 2.5 TOG Wearable Blanket, Navy, 12-18 Months

• SOFIA GRAINGE COLLABORATION: Inspired styles for little ones, created in collaboration with Sofia Grainge

• PERFECT FOR COOLER NIGHTS: With a 2.5 TOG rating, this quilted sleep sack provides cozy warmth for cooler nights. TOG (Thermal Overall Grade) measures insulation—the higher the TOG, the warmer your baby stays

• COTTON STRETCH JERSEY: Super soft, breathable cotton with a touch of stretch for all-day comfort

• DETAILS: Long sleeves, quilted inside adds plush padding. Full-length zipper for easy on/off

• LENGTH: 32 3/4" from side neck on US size 6-12M