From our initial Kudos beta testers, we are seeing, anecdotally, that wearing Kudos diapers with 100% cotton liners results in a lot less diaper rash - as well as superior leak protection. Additionally, Kudos diapers are designed to prevent moisture buildup. Our patent-pending DoubleDry™ tech also has two layers that work to capture and distribute moisture. Keeping your baby (and their onesie) dry. And Kudos diapers are totally fragrance-free which means no extra irritation!