This is the best swaddle we have tried by far. Went through iterations of sleepea, halo sleepsack, uppababy, swaddle up and aden and anais muslin swaddles. We still use the sleepea sometimes for naps, but The Ollie has taken over for all night sleeping and most daytime too. He squirmed and got out of everything, but not the Ollie! At least if he gets free with this one, his arms look to be unencumbered. I also love how the material stretches but keeps the swaddle. It also always fits, it cant ju...