Even more comfortable to move with the new ThinDRY™ Core Seeing your little one waddle in a diaper with a bulging bottom might look cute but not necessarily comfortable for your baby. Imagine having to carry all that extra weight. It is so important that your baby moves around freely as scientists and educators have found physical activities correspond with brain development as well as in the development of motor skills. Drypers Wee Wee Dry with ThinDRY™ Core is designed to make movement easy and comfortable for your child.