Allows humidity to escape through 5 billion holes*, which are finer than skin pores. Maintains comfortably dry feel without the unpleasant sensation after peeing. With excellent breathability through the “Triple-Layer Air-Through” System, the “Soft Air-In-Cushion” with two types of waves has been added on the the skin contact area. The center of the fluffy surface thoroughly absorbs pee. Both sides have small bumps to catch pee and poop and keep it from spreading! * Determined from scanning electron microscope images. Converted to per diaper