Organic Cotton Infant Noise Reduction Hat Hearing protection hat for newborns and infants (external sound reduction up to 50%) Features double layered hat and inserts that protect your baby's ears form loud, potentially harmful outside noises Flaps have 3 layers (inner layer is made from lightweight organic fleece for extra comfort) Pockets on flaps that contain 4 layered removable inserts made from natural hemp fleece Made in USA