Thirsties Natural One Size AIO
The Thirsties Natural One Size AIO comes in 1 size, lists sizes up to 40 lb, and starts with a size for babies up to 40 lb, per Thirsties. Thirsties' natural-fiber one-size all-in-one with organic cotton body, hemp/cotton soaker pads and snap rise and waist settings (per the maker).
- One Size to One SizeSizes
How the Natural One Size AIO stacks up
Against the 32 cloth diapers we track. The shaded band is where the middle half of them fall; the dot is this one.
Within the typical range for cloth diapers (1 to 4).
Within the typical range for cloth diapers (30 lb to 40 lb).
Above the typical range for cloth diapers (12 lb to 35 lb).
What sets the Natural One Size AIO apart
Measured against the 32 cloth diapers we compare, from each maker's published specs.
- Smallest size up to: 40 lbabove the middle half of the 25 cloth diapers that publish it (12 lb to 35 lb)
Next to its closest matches
- Thirsties Newborn AIONext to it, the Natural One Size AIO is 26 lb higher; 26 lb bigger.
Size & weight chart
Weights as the maker lists them, in lb.
| Size | Weight | Shared with next size |
|---|---|---|
| One Size | 8–40 lb | – |
Cloth system & wash
| Type | All-in-one |
|---|---|
| Closure | snaps |
| Fabric | Outer: waterproof TPU laminate. Inner: organic cotton (per the maker) |
| Washing, per the maker | Maker links to a separate care page; Natural line care: prewash warm, wash hot with warm rinse, prime several washes |
| Maker’s notes | Rise settings roughly 8-20, 20-30, 30-40 lb |
Listed features
- Natural fibers
- Three rise settings for 8 to 40 lb
Worth checking
- Natural fibers take several washes to reach full absorbency
Where to buy the Natural One Size AIO
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- Check for recalls: Search the agency's recall list with the model number and date code from the label: CPSC recall search.
Full specs
| Thirsties Natural One Size AIO | |
|---|---|
| Type | Cloth diaper (all-in-one) |
| Sizes and weights | One Size: 8–40 lb |
| Closure | snaps |
| Materials | Waterproof TPU laminate outer; 3 layers GOTS-certified organic cotton body; two soaker pads of 8 layers of 55% hemp / 45% organic cotton |
| Fabric | Outer: waterproof TPU laminate. Inner: organic cotton (per the maker) |
| Certifications | GOTS (organic cotton), per the maker |
| Care | Maker links to a separate care page; Natural line care: prewash warm, wash hot with warm rinse, prime several washes |
| Maker's use notes | Rise settings roughly 8-20, 20-30, 30-40 lb |
Compare the Natural One Size AIO with
How each closest rival differs from the Natural One Size AIO, from the makers' specs.
- ThirstiesNatural Newborn AIOCompare side by side
- ThirstiesOne Size AIO1 sizeto 40 lbCompare side by side
- ThirstiesNewborn AIO1 sizeto 14 lb
- 26 lb lower
- 26 lb smaller
- ThirstiesOne Size PocketCompare side by side
Natural One Size AIO: questions answered
From Thirsties's published specs, last checked 2026-11-02.
What sizes does the Thirsties Natural One Size AIO come in?
One Size (8–40 lb), per the maker. Makers size diapers by weight, and their ranges overlap. Check the maker's size chart.
How do I wash the Thirsties Natural One Size AIO?
The maker says: Maker links to a separate care page; Natural line care: prewash warm, wash hot with warm rinse, prime several washes. Follow the maker's wash routine. Most cloth diapers need a prewash, a long hot main wash, and no fabric softener.
Still wondering? Write to us at hello@cribpicks.com and we'll look it up.
More cloth diapers
- ThirstiesNatural One Size Pocket1 sizeto 40 lb
- GroViaBreeze Diaper5 sizesto 40 lb
- Kanga CareLil Joey Newborn All in One Cloth Diaper1 sizeto 12 lb
- GroViaBig O.N.E. Cloth Diaper1 sizeto 70 lb$27.95
- GroViaOrganic All In One1 sizeto 10 lb$25.95
- GroViaO.N.E. Cloth Diaper1 sizeto 35 lb$24.95
Where these specs come from
Last checked 2026-11-02. Spot something wrong? Tell us. Read our editorial and safety policy and corrections.