This classic sleeping sack replaces loose blankets in the crib or cot for safe and sound sleep. Sleeves can be attached in colder seasons and removed in warmer weather. It is important not to overheat a baby. Use over regular sleepwear. Features: - Buttery soft bamboo fleece fabric; - Has an inverted zipper for easy diaper changes; - Wide bottom for baby’s feet kicking around; - Sensitive skin friendly; - Fold over hand cover cuffs; - Easy care and machine washable.