fitted diaper

noun1

1. •
   (US, Canada) A cloth diaper that is contoured to the wearer with elastic bands around the legs and waist, adjustable with snaps or Velcro straps.

   • The all-in-one is a type [of diaper] constructed from a soft, inner layer, several absorbent middle layers, elasticized legs (much like fitted diapers) and a waterproof outer layer. — 2003