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Unders In Organic Cotton by Hanna Andersson
  • Unders In Organic Cotton by Hanna Andersson

Unders In Organic Cotton

Item # WX37740

Hanna Unders are the ultimate in comfy-soft organic first layers, and are crafted with our famous “won’t-wear-anything-else”...Read More

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Hanna Unders are the ultimate in comfy-soft organic first layers, and are crafted with our famous “won’t-wear-anything-else” fit that kids love.
•Set of 3 pair
•100% organic cotton ribbknit
•Super-smooth flatlock seams
•Encased elastic never touches the skin
•Certified by OEKO-TEX® Standard 100 | 03.U.9375 - FI Hohenstein

Item # WX37740


Machine Wash Warm
Inside Out
With Like Colors
Only Non-chlorine Bleach
When Needed
Tumble Dry Low

Shrinkage: Length: 4% Width: 4%


Our Size Weight US Size
XS 20-33 lbs 18 mos-3
S 31-48 lbs 4-6X
M 45-64 lbs 7-10
L 62-95 lbs 10-14
XL 88-110 lbs 14-18

Additional Information (all measurements are in inches)

Size XS S M L XL
Waist (Relaxed) 16¾ 17½ 20¼ 23 25¼
Hip 17¼ 18 20¼ 23¼ 25½


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.

Rated 4.7 out of 5 by 80 reviewers.
Rated 5 out of 5 by Hanna always delivers I have been purchasing Hanna Anderson underwear and PJs for my grandkids for 8 years. They are not only adorable but indestructible. My 4 yr. old finally had grown out of his undies, so I purchased a new batch. The old ones are still going strong with not one thread out of place. Same for the PJs (we love the stripes). They both get a new pair every year and they never disappoint. I usually order online but had the opportunity to visit a brick and mortar yesterday. Who new they had sheets? I wanted some for myself but I don't have a twin bed :(. The staff was amazingly helpful and patient with me and my slow decision making process. Love Hanna Anderson!! Oh and I always buy Hanna tiny little striped onesies for baby gifts. November 23, 2015
Rated 5 out of 5 by Hanna Unders and Trainers are UNMATCHED While Hanna products are all excellent their undies and trainers are unmatched. They are soft, comfy, fit really well and hold up wash after wash after wash. I've bleached them and the colors hold up really well, too!!! The trainers are super absorbent and the only trainers my little granddaughter and grandson will wear. My daughter and daughter in law won't use any other brand because they say the Hanna organic cotton trainers are really padded well, hold the most and give them the chance to quickly get them changed without everything else getting saturated. Plus they are adorable!! I highly recommend both styles!! November 8, 2015
Rated 5 out of 5 by Super comfy fave I recently learned that both my boys won't wear any other underwear. They literally pick through their selection to make sure that they get the Hanna A. underwear. Apparently, it's a lot more comfortable than traditional white elastic band underwear. October 9, 2015
Rated 5 out of 5 by The very best undies for little boys' bummies! My boys love them because they are sooo soft and comfy! I love them because they are so well-made and last forever! October 9, 2015
Rated 5 out of 5 by only undies we've ever worn Twin boys, age 11 - wearing these briefs since they were old enough to wear undies. Incredibly durable, comfy, long-lasting. The banding around the elastic bits is thick and soft, no binding. I like the basic striped styling - a little bit fun, but not silly. October 1, 2015
Rated 5 out of 5 by Favorite Underwear for my boys This underwear is great, quality cotton, the fit well and there are no tags on them to have to cut off. I love them for all of my children! September 14, 2015
Rated 5 out of 5 by Excellent quality I cannot purchase any other underwear for my son. They are durable, comfortable, and best of all organic and non-toxic. They have withstood the potty training adventures of a little boy. I love them! July 1, 2015
Rated 5 out of 5 by I love them! My son loves them! I love them! My son loves them! We will be buying more in the future. May 2, 2015
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