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Baby Grow With Me One Piece In Organic Cotton by Hanna Andersson
  • Baby Grow With Me One Piece In Organic Cotton by Hanna Andersson
  • Baby Grow With Me One Piece In Organic Cotton by Hanna Andersson
  • Baby Grow With Me One Piece In Organic Cotton by Hanna Andersson

Baby Grow With Me One Piece In Organic Cotton

$16 $10
Item # 45296

Beautifully made one piece won't come untucked, so it stays neat on your wiggling cutie. Stretches gently (a must...Read More

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Product Details


Beautifully made one piece won't come untucked, so it stays neat on your wiggling cutie. Stretches gently (a must for diapers!) and springs back to shape with every wash.
•Expanded baby/toddler sizes = a perfect fit for every little one
•100% organic cotton ribbknit
•Super-smooth flatlock seams
•Extra set of grow-with-me snaps
•Soft gathers keep a perfect diaper fit
•Certified by OEKO-TEX® Standard 100 | 03.U.9375 - FI Hohenstein

Item # 45296

Product details live image

Machine Wash Warm
Inside Out With Like Colors
Non-chlorine Bleach As Needed
Tumble Dry Low
Cool Iron As Needed

Shrinkage: Minimal shrinkage

Baby & Toddler Sizes

Our Size Height Weight US Size
newborn up to 19 in up to 8 lbs newborn
50 cm 18-22 in 8-12 lbs 0-3 mos
60 cm 22-26 in 12-16 lbs 3-6 mos
70 cm 26-28 in 16-20 lbs 6-12 mos
75 cm 28-30 in 20-24 lbs 12-18 mos
80 cm 30-32 in 24-27 lbs 18-24 mos
85 cm 32-34 in 27-30 lbs 2T
90 cm 34-38 in 26-33 lbs 3T

Garment Measurements (all measurements are in inches)

Size 50 60 70 75 80 85
Sleeve Length (from center back) 6⅝ 7⅛ 7⅞
Shoulder to Crotch 14 15¼ 15⅞ 16½ 17⅛ 17¾
Width (1" below armhole) 17½ 18½ 19½ 19½ 20 20½


Our pure organic cotton hannas are one way we can touch the future right now. Organics nurture kids sensitive skin with supersoft purity, while caring for farmers and our earth with non-toxic ecosystems. They're grown without chemical pesticides or fertilizers, and have no genetically modified organisms. Our commitment to organics is seven million supersoft-and-cozy pieces strong, and just like kids, it's growing every minute.


This is good for everybody. Over 60% of all hannas are certified by OEKO-TEX® Standard 100, which means they're tested down to the very last strand of thread for over 100 harmful substances, using strict European certification standards. We agree with the fan who said, "Oeko-Tex 100 equals 100 fewer things to worry about!" Our certification number is 03.U.9375 - FI Hohenstein.

Eco-friendly fabrics live image

Our Unconditional

If you’re unhappy with a product at any time for any reason, just bring or send it back to us, and we’ll refund the purchase price or replace the item. It’s as simple as that.

Baby Grow With Me One Piece In Organic Cotton is rated 4.5 out of 5 by 11.
Rated 5 out of 5 by from Great basic I have purchased these to match with the wiggle pants, and I am quite happy with the combination. We get compliments on how cute the outfit is, and I will definitely purchase again for my children. I find that they run true to size, but they are not as slim fitting as Carter's tends to be. I like that there are two options for closure at the diaper area, and also the extra rouching around the bottom area. We cloth diaper and this onesie fit around it just fine. My son has been wearing one of these for over three months now, and it's still looking like it will fit for a while. I try to take extremely good care of my hanna clothes (hang to dry, and clean immediately when any food gets on it), and I have found that with repeated wash and wear these tend to look worn after a month or so. It definitely isn't unwearable which is why I still like these; I just wish the fabric held up longer.
Date published: 2017-07-24
Rated 1 out of 5 by from Eczema parents out there especially: Do not buy!!! If you are like me, and has an infant suffering from eczema and looked all over the internet for organic onesies, you probably landed here. I bought five of these - different colors for my first child back in 2014, and she wore it happily, it was the one brand that helped us fight her eczema. It was not on sale, so it was an investment as you know how cheap onesies can be. But she STILL wears it, and she's almost 3, so that spoke for high quality. Fast forward 2017. Same problem, eczema, on baby #2. This time, I bought the same without a second thought, and I was absolutely shocked at the low quality of these onesies. First, if you compare the ribbed area near the neck, it used to be thicker and more substantive. Now, it's as flimsy as a 3-for-$7 Gerber's onesie. Second, the overall feel of the fabric is completely different - cheaper feel that only an eczema child parent can tell after going through hundreds of onesies of all high-brands. After a couple of cold washes, cotton piling is visible. I didn't even dare put these in the dryer - line dry, and still it shrunk AND fabric looks worn. Three, for those of you like me, check out the size of the the metal buttons on the bottom - they have become smaller and more tightly spaced, with the grow-with-me ribbed edge alot thinner. What effect does this have? well, try it on your baby and check out when her diaper is full. The onesie bottom doesn't hold stably, and it wiggles to the side, making it super easy for skin to chafe against the metal. Not what you pay $16 for. Right away I realized this is not the same product as three years ago, definitely of poorer quality. What happened Hanna Anderson? These are going back to the store. I am no longer a fan, because for a onesie that used to be SO GOOD, these are unacceptable for the price, and makes me angry that this company is putting out such cheap fabric for the same, no higher than before, price. From a very disappointed long-time fan.
Date published: 2017-03-25
Rated 5 out of 5 by from Pink Grow with me We love our grow with me one piece. It has made with great quality and is so soft and safe, made with organic cotton and safe dyes. The design is brilliant with adjustable bottom snaps so the baby can wear them a lot longer. Thank you HannaAndersson:) Sarah Schultz
Date published: 2016-09-22
Rated 5 out of 5 by from Cloth diapering must have! I'm cloth diapering a 27lbs six month old, so finding onesies that fit over a chubster in a prefold and diaper cover is a bit challenging. Sometimes, it's more difficult than just sizing up. Currently, size 80 fits him best, but he can still comfortably fit in a 75. The benefit of these onesies is that I can cloth diaper on the last snaps and disposable diaper on the second snaps, all in one outfit. The onesie is a nice weight and keeps its shape after washing. I also like the fact that the legs are cut low and almost completely cover the diaper. The wiggle pants work well with these onesies because their elastic is not as tight and constricting as other baby brands.
Date published: 2016-06-27
Rated 5 out of 5 by from Amazing! I have purchased ha products from the time my children were babies..30 years ago. I am now purchasing them for my babies babies and I will continue to buy them. Everything I have purchased has been made well and lasted a very long time. They never fade or shrink. The one piece organic cotton onesie is one of my favorite things to put on my grandbabies to keep them warm and dry. THANKS Hanna!!!
Date published: 2016-05-31
Rated 5 out of 5 by from Super Soft These are a bit different than the older onesies. They are softer and do not feel as sturdy but they actually are! I love them and I know that they are organic. I wish they made them in a bigger size!
Date published: 2016-04-01
Rated 5 out of 5 by from great color, but runs short in length I bought this bodysuit in trellis green and starfish pink for my baby girl -- love the colors, and I can mix and match with other items from the spring collection. This garment fits well in the body but seems to run short, especially compared to the "tanker one piece" I purchased in the same size. My daughter is 5 months old and weighs 14 lbs, so a little below average for her age. According to the chart she would wear a size 60, but she wears cloth diapers, so I like to size up and got the 70. Since these feature the grow-with-me extra snap setting and are one size larger than the size chart would suggest for her measurements, I expected to use the first snap setting, but at that setting, the bodysuit is too small. Alas, this garment only fits her in the last setting, so it really won't be growing with her, which is one of the reasons I bought it. If your baby normally wears a 60, I would suggest sizing up to the 70 so you will get more wear out of it, especially if you don't cloth diaper.
Date published: 2016-03-21
Rated 5 out of 5 by from Excellent onesie I love how these onesies have two sets of snaps at the bottom so they can grow with your baby. They are especially perfect for tall babies like mine! super soft, excellent quality, thicker than other onesies, and they wash beautifully.
Date published: 2016-03-21
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