---
title: "baby undershirts — Niche Verdict: Worth a look (54/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/clothing-shoes-jewelry/baby-undershirts"
last_updated: "2026-07-10T01:55:55.492Z"
locale: en
meta:
  description: "baby undershirts shows a fragmented shelf (top 5 take 18% of clicks), but a small market ($68K/yr) keeps it on the watch list."
  "og:description": "baby undershirts shows a fragmented shelf (top 5 take 18% of clicks), but a small market ($68K/yr) keeps it on the watch list."
  "og:title": "baby undershirts — Niche Verdict: Worth a look (54/100) | Amazon United States - Flapen"
---

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# **baby undershirts**

**Worth a look****54/100 **

baby undershirts shows a fragmented shelf (top 5 take 18% of clicks), but a small market ($68K/yr) keeps it on the watch list.

**Market/yr**

**$68K**

**Growth (1y)**

**+216.3%**

**Products**

**125**

**Brands**

**25**

was 19 a year ago

**Sellers**

**34**

**Price range**

**$5.65–$39.86**

**Returns**

**2.2%**

**Rating**

**4.7★**

**Worth a look**

Scored 54/100 across market size, growth, competition, quality gap, and returns.

Market sizeGrowthCompetitionQuality gapReturns

Market size

**3**

 ×0.30

Growth

**79**

 ×0.30

Competition

**97**

 ×0.20

Quality gap

**20**

 ×0.10

Returns

**82**

 ×0.10

## **Demand**

Weekly Amazon search volume, last 79 weeks — +216.3% year over year.

7K3KPrime Day '25Spike '25Jan '25Apr '25Jul '25Oct '25Jan '26Apr '26

## **Seasonality**

Monthly demand index across the year — 1.00 is average.

JFMAMJJASOND

Peak months: Oct, Nov · busiest ÷ quietest = 1.6×

## **Competition**

- Gerber35% - Amazon Essentials26% - Simple Joys by Carter's10% - The Children's Place7% - Garanimals3% - Burt's Bees Baby2% - Other (19 brands)15%

Clicks spread well past the top 5 (18% combined) — an open shelf where new products get seen. 25 brands and 34 sellers compete here.

**Brands**

**25 **▲rising

was 19 a year ago

**Sellers**

**34**

**Top 5 brand share**

**83%**

#ProductBrandPriceRatingReviewsClick shareTrend

1
![Gerber Baby 8-Pack Short Sleeve Onesies Bodysuits Solid White 12 Months](https://m.media-amazon.com/images/I/31rGj5-Ao5L.jpg) [**Gerber Baby 8-Pack Short Sleeve Onesies Bodysuits Solid White 12 Months**](https://www.amazon.com/dp/B07GG1P87H)

Gerber$16.814.8★56,1056%▼falling

2
![Amazon Essentials Unisex Babies Short Sleeve T-Shirts Pack of 3 Oatmeal Heather/White/Stripe 18 Months](https://m.media-amazon.com/images/I/31J18krDyfL.jpg) [**Amazon Essentials Unisex Babies Short Sleeve T-Shirts Pack of 3 Oatmeal Heather/White/Stripe 18 Months**](https://www.amazon.com/dp/B0DNJSVL29)

Amazon Essentials$14.584.8★4914%▲rising

3
![Gerber Baby 8-Pack Short Sleeve Onesies Bodysuits Solid White 6-9 Months](https://m.media-amazon.com/images/I/31rGj5-Ao5L.jpg) [**Gerber Baby 8-Pack Short Sleeve Onesies Bodysuits Solid White 6-9 Months**](https://www.amazon.com/dp/B07GG1ZG8W)

Gerber$16.824.8★56,1053%—flat

4
![Gerber Baby 5-Pack Solid Onesies Bodysuits White 3-6 Months](https://m.media-amazon.com/images/I/3116HiKTk7L.jpg) [**Gerber Baby 5-Pack Solid Onesies Bodysuits White 3-6 Months**](https://www.amazon.com/dp/B007CRR7Z0)

Gerber$13.074.8★58,0533%▲rising

5
![Simple Joys by Carters Baby and Toddler Boys 3-Pack Solid Pocket Short-Sleeve Tee Shirts](https://m.media-amazon.com/images/I/41K+kscH4NL.jpg) [**Simple Joys by Carters Baby and Toddler Boys 3-Pack Solid Pocket Short-Sleeve Tee Shirts**](https://www.amazon.com/dp/B09M8YGQDM)

Simple Joys by Carter's$14.764.8★24,6312%▼falling

6
![Gerber Baby Girls 3-Pack Short-Sleeve Slip-on Shirts Infant and Toddler Hoodies White 3-6 Months US](https://m.media-amazon.com/images/I/31tXvBQwD-L.jpg) [**Gerber Baby Girls 3-Pack Short-Sleeve Slip-on Shirts Infant and Toddler Hoodies White 3-6 Months US**](https://www.amazon.com/dp/B007C2PWY8)

Gerber$9.534.6★7,8682%▼falling

7
![Amazon Essentials Unisex Babies Short Sleeve T-Shirts Pack of 3 Oatmeal Heather/White/Stripe 6-9 Months](https://m.media-amazon.com/images/I/31J18krDyfL.jpg) [**Amazon Essentials Unisex Babies Short Sleeve T-Shirts Pack of 3 Oatmeal Heather/White/Stripe 6-9 Months**](https://www.amazon.com/dp/B0DNJTZRGS)

Amazon Essentials$14.194.8★4912%—flat

8
![Gerber Baby 8-Pack Short Sleeve Onesies Bodysuits Solid White Newborn](https://m.media-amazon.com/images/I/31rGj5-Ao5L.jpg) [**Gerber Baby 8-Pack Short Sleeve Onesies Bodysuits Solid White Newborn**](https://www.amazon.com/dp/B07GG949P9)

Gerber$16.814.8★56,1052%▼falling

9
![Gerber Baby 5-Pack Solid Onesies Bodysuits White 0-3 Months](https://m.media-amazon.com/images/I/3116HiKTk7L.jpg) [**Gerber Baby 5-Pack Solid Onesies Bodysuits White 0-3 Months**](https://www.amazon.com/dp/B007CRR7ZA)

Gerber$13.064.8★58,0532%▲rising

10

![Burts Bees Baby Unisex Baby 3-Pack Camisole Bodysuits 100% Organic Cotton Infant Gender Neutral One Piece Outfit NB - 24M](https://m.media-amazon.com/images/I/31jtUN5Z4kL.jpg) [**Burts Bees Baby Unisex Baby 3-Pack Camisole Bodysuits 100% Organic Cotton Infant Gender Neutral One Piece Outfit NB - 24M**](https://www.amazon.com/dp/B0DPLJMQRX)

Burt's Bees Baby$16.014.8★2252%▲rising

11

![Simple Joys by Carters Baby and Toddler Boys 3-Pack Tank Tops](https://m.media-amazon.com/images/I/410sLkNIdBL.jpg) [**Simple Joys by Carters Baby and Toddler Boys 3-Pack Tank Tops**](https://www.amazon.com/dp/B07ZPQBRDD)

Simple Joys by Carter's$15.324.8★10,4032%▲rising

12

![Gerber Baby 6-Pack Long-Sleeve Side-Snap Mitten-Cuff Shirt white Newborn](https://m.media-amazon.com/images/I/41cSnvkpIJL.jpg) [**Gerber Baby 6-Pack Long-Sleeve Side-Snap Mitten-Cuff Shirt white Newborn**](https://www.amazon.com/dp/B07GG949PB)

Gerber$17.474.5★2,1522%▲rising

13

![Gerber Baby Girls 3-Pack Short-Sleeve Slip-on Shirts Infant and Toddler Hoodies White 6-9 Months US](https://m.media-amazon.com/images/I/31tXvBQwD-L.jpg) [**Gerber Baby Girls 3-Pack Short-Sleeve Slip-on Shirts Infant and Toddler Hoodies White 6-9 Months US**](https://www.amazon.com/dp/B007C2PWZM)

Gerber$9.574.6★7,8682%—flat

14

![Amazon Essentials Unisex Babies Short Sleeve T-Shirts Pack of 3 Oatmeal Heather/White/Stripe 12 Months](https://m.media-amazon.com/images/I/31J18krDyfL.jpg) [**Amazon Essentials Unisex Babies Short Sleeve T-Shirts Pack of 3 Oatmeal Heather/White/Stripe 12 Months**](https://www.amazon.com/dp/B0DNJTVQYG)

Amazon Essentials$14.354.8★4911%—flat

15

![The Childrens Place Baby Boys Short Sleeve Graphic T-Shirt Infant-and-Toddler-Shirts Aspen Gold|Carrot Stick|Clear Aqua 4T US](https://m.media-amazon.com/images/I/31LbP4eGNgL.jpg) [**The Childrens Place Baby Boys Short Sleeve Graphic T-Shirt Infant-and-Toddler-Shirts Aspen Gold|Carrot Stick|Clear Aqua 4T US**](https://www.amazon.com/dp/B0BRHKGTZB)

The Children's Place$13.014.8★2,0531%▲rising

**~~Showing 15 of 125 — show all ~~**

## **Product shelf**

All 125 tracked products in this niche.

Top sellersNewestTrending

[![Gerber Baby 8-Pack Short Sleeve Onesies Bodysuits Solid White 12 Months](https://m.media-amazon.com/images/I/31rGj5-Ao5L.jpg)**Gerber Baby 8-Pack Short Sleeve Onesies Bodysuits Solid White 12 Months** Gerber**$16.81**4.8★56,105 reviews](https://www.amazon.com/dp/B07GG1P87H) [![Amazon Essentials Unisex Babies Short Sleeve T-Shirts Pack of 3 Oatmeal Heather/White/Stripe 18 Months](https://m.media-amazon.com/images/I/31J18krDyfL.jpg)**Amazon Essentials Unisex Babies Short Sleeve T-Shirts Pack of 3 Oatmeal Heather/White/Stripe 18 Months** Amazon Essentials**$14.58**4.8★491 reviews](https://www.amazon.com/dp/B0DNJSVL29) [![Gerber Baby 8-Pack Short Sleeve Onesies Bodysuits Solid White 6-9 Months](https://m.media-amazon.com/images/I/31rGj5-Ao5L.jpg)**Gerber Baby 8-Pack Short Sleeve Onesies Bodysuits Solid White 6-9 Months** Gerber**$16.82**4.8★56,105 reviews](https://www.amazon.com/dp/B07GG1ZG8W) [![Gerber Baby 5-Pack Solid Onesies Bodysuits White 3-6 Months](https://m.media-amazon.com/images/I/3116HiKTk7L.jpg)**Gerber Baby 5-Pack Solid Onesies Bodysuits White 3-6 Months** Gerber**$13.07**4.8★58,053 reviews](https://www.amazon.com/dp/B007CRR7Z0) [![Simple Joys by Carters Baby and Toddler Boys 3-Pack Solid Pocket Short-Sleeve Tee Shirts](https://m.media-amazon.com/images/I/41K+kscH4NL.jpg)**Simple Joys by Carters Baby and Toddler Boys 3-Pack Solid Pocket Short-Sleeve Tee Shirts** Simple Joys by Carter's**$14.76**4.8★24,631 reviews](https://www.amazon.com/dp/B09M8YGQDM) [![Gerber Baby Girls 3-Pack Short-Sleeve Slip-on Shirts Infant and Toddler Hoodies White 3-6 Months US](https://m.media-amazon.com/images/I/31tXvBQwD-L.jpg)**Gerber Baby Girls 3-Pack Short-Sleeve Slip-on Shirts Infant and Toddler Hoodies White 3-6 Months US** Gerber**$9.53**4.6★7,868 reviews](https://www.amazon.com/dp/B007C2PWY8) [![Amazon Essentials Unisex Babies Short Sleeve T-Shirts Pack of 3 Oatmeal Heather/White/Stripe 6-9 Months](https://m.media-amazon.com/images/I/31J18krDyfL.jpg)**Amazon Essentials Unisex Babies Short Sleeve T-Shirts Pack of 3 Oatmeal Heather/White/Stripe 6-9 Months** Amazon Essentials**$14.19**4.8★491 reviews](https://www.amazon.com/dp/B0DNJTZRGS) [![Gerber Baby 8-Pack Short Sleeve Onesies Bodysuits Solid White Newborn](https://m.media-amazon.com/images/I/31rGj5-Ao5L.jpg)**Gerber Baby 8-Pack Short Sleeve Onesies Bodysuits Solid White Newborn** Gerber**$16.81**4.8★56,105 reviews](https://www.amazon.com/dp/B07GG949P9)

## **Reviews**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Size-Overall**19%

*“The fit is also slightly snug”*

**Quality-Overall**18%

*“well made and of good quality very comfortable for the kids”*

**Soft Feel**12%

*“Soft to touch”*

**Value For Money**8%

*“Good value for money”*

**Material Quality**7%

*“Material is soft, comfortable and value for the money is awesome”*

**Comfort-Overall**6%

*“comfortable”*

**Gifting Purpose**3%

*“Christmas gift”*

**Ease Of Use**3%

*“Easy to use”*

**Color**3%

*“lots of colors”*

**Durability**2%

*“They are very durable”*

### **What buyers complain about **

**Size-Overall**34%

*“Size up”*

**Quality-Overall**7%

*“Poor make”*

**Shrinkage Resistance**7%

*“Bad shrinkage”*

**Value For Money**4%

*“Waste of money”*

**Material Quality**4%

*“the quality if the material is very poor”*

**Product Condition**3%

*“The second bag of Newborn Gerber t-shirts Looked used, possibly washed, all scrambled up in the bag and no tag and most of the t-shirts were unsnapped, not snapped, Did Not Look New, Looked Used”*

**Stretchability/Expandability/Elasticity**2%

*“it does not stretch a lot however”*

**Color**2%

*“i wish there are multiple colors”*

**Ease Of Use**2%

*“Snaps are some of the most difficult Ive used”*

**Durability**2%

*“Wish it wouldve lasted longer”*

#### **Top return reasons**- Size-Overall68% - Length9% - Value For Money4% - Sleeve Fit3% - Material Quality3% - Advertised Vs Actual Product3% - Thin2% - Width1% - Quality-Overall1% - Chest Fit1%