---
title: "Girls Long Sleeve Shirts Size 10-12 — Amazon US Product Research"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/girls-long-sleeve-shirts-size-10-12"
last_updated: "2026-08-12T18:05:24.282Z"
locale: en
meta:
description: "Amazon product research for girls long sleeve shirts size 10-12: demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for girls long sleeve shirts size 10-12: demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Girls Long Sleeve Shirts Size 10-12 — Amazon US Product Research"
---
# **Girls Long Sleeve Shirts Size 10-12**
**Skip it**
Soft demand (-69.4% this quarter) — this niche doesn't clear our bar today.
Market size 12Growth 0Conversion 12Competition 96Returns 23Price range 72Avg price 88Brand share 72Review moat 59Quality gap 28
**Competition**
**Incredible****15%**
top-5 click share — an open shelf
**Avg price**
**Great****$20.28**
avg listing price — sweet spot $15–$100
**Brand share**
**Good****62%**
top-5 brand share — brands hold most of the demand
**Price range**
**Good****$4.68–$41.88**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Good****1,149.39**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Returns**
**Bad****5.7%**
return rate — above 5% kills the launch gate
**Market size**
**Bad****$46K**
$46K/yr · 233K searches
**Conversion**
**Bad****1.0%**
search→purchase rate — share of searches ending in a sale
**Growth**
**Bad****-69.4%**
90-day search growth — must beat 0% to launch
**Signals**[** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%")
## **Is girls long sleeve shirts size 10-12 profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, girls long sleeve shirts size 10-12 is a $46K/yr Amazon United States market (233K searches/yr). The top 5 brands hold 62% of demand. Demand peaks in Sep–Oct–Nov–Dec. Verdict: Skip it — 41/100.
Data updated Jul 20, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **girls long sleeve shirts size 10-12 market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **4K–5K**
- avg 0–100/product
- **Revenue / yr**
- **$81K–$101K**
- units × avg price
- **Conversion rate**
- **1.0%**
- **Avg BSR**
- **#568**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **81%**
- **Out of stock**
- **26.6%**
- **Avg brand age**
- **31 months**
- **Avg seller age**
- **181 days**
## **Competition: brands, sellers & click share**
Clicks spread well past the top 5 (15% combined) — an open shelf where new products get seen.
**Brands**
**37 **▲rising
**Sellers**
**40**
**Top-5 brand share**
**62%**
Top 20: 92%
**Top-5 click share**
**15%**
Top 20: 38%
**Open market**
**34%**
- The Children's Place30% - Amazon Essentials12% - LessonZoo9% - Brix8% - Cooraby4% - Real Essentials4%
## **girls long sleeve shirts size 10-12 demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -69.4% search growth over the last 90 days.
25K15KSpike '24Black Friday '24Holiday '24Prime Day '25Spike '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Sep, Oct, Nov, Dec · busiest ÷ quietest = 10.3×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/girls-long-sleeve-shirts-size-10-12/trend)
## **Top girls long sleeve shirts size 10-12 search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **5t long sleeve shirts girls**38K/yr-69.2%2.5% conv. - **girls long sleeve shirts size 14-16**22K/yr-57.3%0.6% conv. - **long sleeve t shirt girls**6K/yr-21.3%0.5% conv. - **long sleeve shirts for girls 14-16**7K/yr-10.0%0.2% conv. - **childrens place long sleeve girls**11K/yr-62.2%0.7% conv. - **girls long sleeve undershirt**10K/yr-65.9%0.9% conv. - **girls long sleeve shirts size 6**18K/yr-78.6%1.0% conv. - **5t girls long sleeve shirts**13K/yr-71.9%1.8% conv. - **girls size 8 long sleeve shirts**11K/yr-61.6%1.7% conv. - **girls cotton long sleeve shirt**7K/yr-58.4%0.6% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/girls-long-sleeve-shirts-size-10-12/search-terms)
## **Top girls long sleeve shirts size 10-12 products & what they sell for**
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%2%$9264%$2K6%$3K8%$4K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Brix Girls Long Sleeve Tees - 4 -Pack Crew Neck Super Soft Cotton T Shirts. 5/6**Brix**$20.90**4.7★7,250 rev](https://www.amazon.com/dp/B07XZJNHVM) [2**OROQENE Girls Long Sleeve Shirts and Tees 3 Pack Graphic Sequin Tops Girl Clothes 5T**OROQENE**$21.82**4.7★53 rev](https://www.amazon.com/dp/B0FBK233X6) [3**The Childrens Place Girls Assorted Everyday Long Sleeve Graphic T-Shirts Cat/XOLOTL/Fox 3-Pack Medium**The Children's Place**$22.17**4.7★1,094 rev](https://www.amazon.com/dp/B0FJZMLD6X) [4**The Childrens Place Girls Assorted Everyday Long Sleeve Graphic T-Shirts multipacks Unicorn/Bows/Love/Cat 4-Pack Medium**The Children's Place**$25.12**4.6★100 rev](https://www.amazon.com/dp/B0F67M2MKY) [5**Brix Girls Long Sleeve Tees - 4 -Pack Crew Neck Super Soft Cotton T Shirts. 3/4**Brix**$21.15**4.7★7,250 rev](https://www.amazon.com/dp/B07XZKN8YZ)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Simple Joys by Carters Toddler Girls 3-Pack Graphic Long-Sleeve Tees Shirt Unicorn/heart/stripe 5T**Simple Joys by Carter's**$19.48**11,308 rev3mo ago](https://www.amazon.com/dp/B07GKXBM15) [**Simple Joys by Carters Baby and Toddler Girls 3-Pack Long-Sleeve Tops**Simple Joys by Carter's**$20.12**3,809 rev3mo ago](https://www.amazon.com/dp/B093TKJHWN) [**The Childrens Place Girls Assorted Everyday Long Sleeve Graphic T-Shirts Cat/XOLOTL/Fox 3-Pack Medium**The Children's Place**$22.17**1,094 rev12mo ago](https://www.amazon.com/dp/B0FJZMLD6X) [**KEREDA Girls Long Sleeve Shirts Soft Cotton T-Shirts Crewneck Basic Tees for Kids and Teen Girls Tops Clothes 7-8 Years White**KEREDA**$9.94**161 rev1y ago](https://www.amazon.com/dp/B0FDG5DQXD) [**OROQENE Girls Long Sleeve Shirts and Tees 3 Pack Graphic Sequin Tops Girl Clothes 5T**OROQENE**$21.82**53 rev1y ago](https://www.amazon.com/dp/B0FBK233X6)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Amazon Essentials Toddler Girls Long Sleeve Ruffle T-Shirt Pack of 2 Navy/French Stripe 4T**Amazon Essentials**$13.99**4.2★**▲ 284%**](https://www.amazon.com/dp/B0DNFLJSZQ) [**Real Essentials 4 Pack: Girls Dry-Fit Long Sleeve Crew Neck T-Shirt - Athletic Activewear Soccer Top for Teens Kids Youth - Set 1 M (10-12)**Real Essentials**$26.90**4.5★**▲ 261%**](https://www.amazon.com/dp/B0BD9BFJCF) [**Amazon Essentials Toddler Girls Long Sleeve Ruffle T-Shirt Pack of 2 Mauve/Butterflies 3T**Amazon Essentials**$14.23**4.2★**▲ 241%**](https://www.amazon.com/dp/B0DNFLPNNZ) [**OROQENE Girls Long Sleeve Shirts and Tees 3 Pack Graphic Sequin Tops Girl Clothes 5T**OROQENE**$21.82**4.7★**▲ 189%**](https://www.amazon.com/dp/B0FBK233X6) [**Amazon Essentials Girls Long-Sleeve Tunic T-Shirts Pack of 3 Marvel Thor Small**Amazon Essentials**$6.71**4.6★**▲ 181%**](https://www.amazon.com/dp/B09RG9RVLG)
**~~View all trending →~~**
## **What reviews say buyers love and hate about girls long sleeve shirts size 10-12**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**18%
*“Good fit”*
**Quality-Overall**15%
*“Excellent quality”*
**Soft Feel**11%
*“They are soft”*
**Value For Money**7%
*“Good deal”*
**Comfort-Overall**6%
*“Comfortable”*
**Color**6%
*“Colors are beautiful”*
**Breathability**3%
*“Breathable”*
**Material Quality**3%
*“The cotton construction is a standout feature for year-round use”*
**Warmth**3%
*“Very warm”*
**Washability**3%
*“they hold up well after washing”*
### **What buyers complain about **
**Size-Overall**26%
*“But the torso is too short”*
**Material Quality**11%
*“I wish the material was more soft and light cotton”*
**Shrinkage Resistance**6%
*“Either they run small or they shrank terribly in the wash”*
**Thickness**4%
*“The material is not super thick”*
**Neck Fit**4%
*“Large neck opening”*
**Advertised Vs Actual Product**4%
*“NOT WHAT EXPECTED”*
**Quality-Overall**3%
*“Bad Quality”*
**Thin**3%
*“a little thin”*
**Length**2%
*“the selves was long”*
**Product Condition**1%
*“What I received was a used”*
### **Top return reasons **
**Size-Overall**59%
**Sleeve Fit**8%
**Length**8%
**Material Quality**7%
**Thin**2%
**Color**2%
**Advertised Vs Actual Product**2%
**Quality-Overall**2%
**Arm Fit**1%
**Chest Fit**1%
## **Common girls long sleeve shirts size 10-12 questions**
- **Is girls long sleeve shirts size 10-12 profitable to sell on Amazon United States?**
- The niche generates $46K/yr across 170 tracked products. 2 of 51 products launched in the last 360 days are still selling. 90-day search growth is -69.4%. Flapen's verdict: Skip it (41/100).
- **How competitive is the girls long sleeve shirts size 10-12 niche?**
- 37 brands and 40 sellers compete. The top 5 products take 15% of clicks and top 5 brands hold 62% of demand.
- **What do buyers complain about in girls long sleeve shirts size 10-12?**
- Top complaints mined from reviews: Size-Overall, Material Quality, Shrinkage Resistance. The return rate is 5.7% — above our launch gate.
- **When does demand for girls long sleeve shirts size 10-12 peak?**
- Demand peaks in Sep–Oct–Nov–Dec; the busiest month runs 10.3× the quietest.
- **What does it cost to enter the girls long sleeve shirts size 10-12 niche?**
- Listings span $4.68–$41.88; the average listing price is $20.28 (sweet spot $15–$100). The average incumbent carries 1,149 reviews — the moat a new listing must climb.
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