I usually like multiple layers of fabric in all my designs, but not here. (2ladiesandachair.com)
Flat cloth diapers are a large, single layer of fabric like a blanket. (change-diapers.com)
We have a tummy sleeper so the inserts sewn in at the front are awesome and although there are So many layers of fabric the diaper remains quite trim! (cozybums.ca)