I received these items at no cost to facilitate my review. All opinions remain my own.
Surprisingly, I didn’t have much experience with Thirsties products prior to receiving our Thirsties newborn cloth diapers for review shortly after Little Miss Cub was born. I recall, in my postpartum daze, putting a size XS Thirsties cover that I had from a second-hand lot on Little Miss and thinking “daaaaaang I love the fit of this!”
The contoured waist hugged her little tummy so nicely, and the double leg gusset gave a super snug fit, even while her legs were still scrawny.
Thirsties sent me a size XS cover in snaps, a size NB cover in hook and loop, and one of each closure in their All-in-Ones. I must say that Thirsties’ newborn options are on point!
Thirsties Covers
Here’s a comparison of the newborn size and the size XS:We were using the XS when she was at her tiniest, but on top of fairly puffy fitted diapers. Had I needed to use trimmer inserts (newborn prefolds, for example) at that point, the newborn size would’ve been the only option. That said, the newborn size also fit perfectly over our newborn fitteds.
We really used our NB and XS covers at the same time, obviously just securing the XS tighter at the waist. Between the snap closure and the hook & loop, I definitely preferred the latter for ease of adjustment.
I can honestly say (since I am a notoriously awful liar) that our Thirsties covers were our favourite fit during the newborn stage.
Are they the ones that lasted longest? Obviously not: they are precisely sized and don’t have rise snaps. However, when our newborn covers with rise snaps were still fitting, we were also already able to use our one-size covers.
I think that most babies would do well with just the XS cover to bridge the gap until one-size models fit.
Thirsties NB AIOs
Overall, I prefer to use hook & loop closure diapers on newborns, so I was happy to have both versions to test. The advantage of Thirsties’ snap version is that it has the umbilical snap down. Our Thirsties shipment arrived when Little Miss was about a week and a half old, so for us, this didn’t matter.
As I’ve surely mentioned in my previous newborn reviews, I definitely prefer AIOs where the insert isn’t entirely sewn in, so that’s a win for Thirsties:
Our Thirsties were pretty thirsty, even without boosting, which definitely surprised me! I’m rethinking my stance on entirely synthetic interior newborn diapers, since I found it more absorbent than our GroVia, which is hemp/cotton and no microfiber!
I definitely preferred the fit at the waist on the hook & loop closure AIO.
In the picture above, she’s just shy of 11 lbs. I am not confident these will still fit at 14 lbs, and regardless, they would definitely need to be boosted by that weight.
My favourite things about the Thirsties newborn line up:
- Did I mention their covers are just simply my faves of all the ones we tried?
Things I like less about the Thirsties newborn line up:
- I’m not crazy about the way the waist fit Little Miss Cub on the AIO with snaps (love the hook & loop, though);
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Find a Thirsties retailer, or purchase via my affiliate links to Lagoon Baby, Nicki’s Diapers, Amazon.ca or Amazon.ca.
Shopping for newborn diapers? See all my reviews here!


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