The patented body breathe wearable blanket helps prevent suffocation and overheating two leading risk factors of sids moisture wicking liner and breathable outer fabrics with act air channel technologytm work together to promote airflow and help hot air to escape keeping baby cooler and more comfortable side zipper and over one shoulder fastener make it easy to get on and off even while your baby is sleeping machine washable and fast drying it comes in two sizes and three colours