Libero Comfort 4 has a flexible back that follows your baby's unique shape for added protection and comfort. Breathable and comfortable materials that let baby's skin breathe. Features extensive sides that allow you to adjust to the waist, keeping the diaper in place comfortably. Supersoft anti-leakage barriers comfortably protect your baby from leakage. Its superabsorbent core ensures comfortable protection. Dermatologically tested.