Consider using these Micro-Fleece Stay Dry Liners with your prefold diapers. These single layer fleece liners line any diaper (prefolds, fitteds or all in ones) and aid in keeping wetness from baby's most exposed areas.

These microfleece liners also will help keep your cotton or hemp from staining and provide for easier clean up with yucky messes.  Reusable and machine washable with all your cloth diapers. 

(sold individually)