Halo Sleepsacks look a little like a combination of a sleeper, swaddler, and blanket combined. The Halo Sleepsack actually zips up over your babies clothing, though I highly recommend you dress them lighter than you normally would for sleep under the sleepsack, and provides them with a wearable blanket that they can not kick off or get tangled up in. Designed to help prevent SIDS the sleepsack will not bunch up around your babies face. They now also come with a swaddler option which is basically a velcro on swaddler that fits around the sleepsack and was an absolute godsend when Dylan was a few months old. They are also "daddyproof" meaning they are very easy to use and you won't have to spend twenty minutes trying to talk Dad or the Grandparents through how to swaddle the baby, you just velcro the piece together and your good to go. The swaddler attachment is removable as well so you do not have to use it if you do not want to.
Halo Sleepsacks come in a variety of sizes from newborn to age five and in several different fabric choices so you can decide which works best for your baby. Personally I've not tried the sleepsacks for older babies who are standing and walking but I sure wish we had one right now as Dylan refuses to keep a blanket on and I find him half frozen most mornings with his butt up in the air! You can purchase the Halo SleepSack from Target or directly from the Halo Website!
Disclosure: We were given a Halo Sleepsack free of charge, we were not compensated for this post in any other way. My opinions and comments on items we review are always my own and are never influenced by sponsors.