HAL1077: Features: -Original halo sleepsack wearable blanket-With a removable, adjustable swaddle-2-in-1 sleepsack swaddle helps infants to be swaddled from birth-Allows you to move the feature down for arms out or remove it completely when no longer needed to use the sleepsack wearable blanket alone-Stay-fixed velcro loops secure swaddle to wearable blanket for optimal performance and peace of mind-Swaddle feature can be removed once baby is done swaddling and the wearable blanket can be used alone-Reduces the risk of re-breathing the inhalation of carbon dioxide-Reduces the risk of re-breathing (the inhalation of carbon dioxide), which has been associated as a possible cause of sudden infant death syndrome, sleeveless design allows for ventilation and reduces the risk of re-breathing into sleeve-Generous sack design allows room for kicking, but can't be kicked off so baby stays warm all night-Inverted zipper makes diaper changes easy, won't pinch baby's skin and makes it harder for an older child to unzip. Specifications: -It's the only product that carries seals from leading sids organizations in both the United States and Canada, iparenting award winner and hot award winner, nappa gold award winner, 2008 innovation award for consumer safety from the home safety council.