They consist of an outer, waterproof shell with a stay - dry inner fabric that is sewn together to form a pocket. (wellnessmama.com)
The protective inner fabric is scented with lavender, providing you an even greater experience. (pregnancypillows.net)
From the Cotton Babies website about the bumGenius 4.0 diaper, «Soft, sueded inner fabric gently wicks moisture away from your baby's skin.» (naturallifemom.com)