bumGenius 4.0

{ one-size, pocket-style cloth diaper } 

Best selling, top-rated, and recognized for its quality and performance. bumGenius 4.0 is a one-size, pocket-style diaper that will keep your baby dry and comfortable.

Look for our unique butterfly closure system to ensure that you are getting genuine Cotton Babies™ brand cloth diapers

Oeko‐Tex Standard 100 certification indicates that bumGenius diapers have been stringently tested and are free from harmful or problematic substances.

  • Stay‐dry lining is super soft and wicks moisture away from delicate skin
  • Waterproof outer cover and insert stopper prevents leaks
  • Accessible, replaceable, gentle elastic
  • Durable plastic snaps
  • 3x3 snap down design adjusts the sizing to fit small, medium and large sizes (approximately 8‐35+ pounds)
  • Trim, snug and comfortable stretchy tabs provide a custom fit
  • Pocket accommodates inserts for customized absorbency
  • Diapers are bundled with two inserts: a newborn insert and a one‐size insert for your older baby
  • Newborn insert works as an overnight booster for older babies or as extra absorbency for heavy wetters

Cloth diapering has never been so easy!

bumGenius One‐Size Cloth Diapers feature our patented butterfly closure system to provide a comfortable, trim fit. This simple design makes cloth diapering as easy as using disposables. The familiar design makes bumGenius one‐size cloth diapers perfect for care providers who might be resistant to cloth diapering (including daycares).

Buy Diapers Once

bumGenius One‐Size Cloth Diapers fit most babies from 8 to 35+ pounds. No sorting by size or having to carry multiple diapers when going out. Three snap‐downs on the front of the diaper allow you to easily adjust the size of the diaper as your baby grows. For newborns, fold down the insert stopper for an extra‐small rise.

Only the Best for Your Baby

The soft, waterproof outer fabric keeps the diaper trim on your newborn and toddler. Soft, sueded inner fabric gently wicks moisture away from your baby's skin. Super stretchy, gentle leg and back elastic with rolled out casings keeps in the yuk and help to keep red marks away. Our unique covered slot opening keeps your baby protected from moisture.