Merries' unique dual channel abosrbent core instantly draws in and locks away pee, leaving the diaper surface drier for longer usage. Breathale soft wavy top sheet does not stick to your baby's skin so your baby stays dry and comfortable. The airy soft gathers fit snugly in all positions. They stretch gently around your baby's waist. Made with breathable soft material ensuring dryness around the waist area, where your baby tends to perspire easily. Let your active baby play in utmost comfort. Merries is so soft, it transform into a flexible "W" shape at the crotch area to accommodate your baby's limb movements. No red marks or abrasions!