Abby sleeps footed sleeper. Cotton in the summer, fleece in the winter. On top of that, a fleece Halo sleep sack. She's about to outgrow the last of the "bag" sleep sacks. Without it, she tends to get her legs stuck and we returned the mesh bumper because it didn't help. We have the additional problem that she does not keep on socks unless there are shoes over them.
I will not use a free floating blanket. It wouldn't work at her age anyway.
So what to y'all use!? I know Halo makes a walking type cover but I think she'd remove her socks. Hmmm... I guess I could sew socks onto them =)
ETA: We are thinking about trying not to use footed sleepers going into summer for potty training =)