---
title: "Training Bras for Girls 8-10 — $1.3M/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/training-bras-for-girls-8-10"
last_updated: "2026-08-09T18:24:17.131Z"
locale: en
meta:
  description: "Niche score 58/100 · $1.3M/yr market · 2.6M searches/yr · $21.73 avg price. Clears our launch bar. Data updated Jul 2026."
  "og:description": "Niche score 58/100 · $1.3M/yr market · 2.6M searches/yr · $21.73 avg price. Clears our launch bar. Data updated Jul 2026."
  "og:title": "Training Bras for Girls 8-10 — $1.3M/yr Amazon US Niche (2026) - Flapen"
---

# **training bras for girls 8-10**

**Launch it**

A $1.3M/yr market growing +15.5% this quarter with returns at 3.4% — clears our launch bar.

Market size 82Growth 44Conversion 28Competition 80Returns 46Price range 71Avg price 92Brand share 62Review moat 50Quality gap 30

**Avg price**

**Great****$21.73**

avg listing price — sweet spot $15–$100

**Market size**

**Great****$1.3M**

$1.3M/yr · 2.6M searches

**Competition**

**Great****35%**

top-5 click share — an open shelf

**Price range**

**Good****$8.16–$31.74**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Brand share**

**Good****68%**

top-5 brand share — brands hold most of the demand

**Review moat**

**Good****1,489.08**

avg incumbent reviews — the moat a new listing must climb

**Returns**

**Okay****3.4%**

return rate — above 5% kills the launch gate

**Growth**

**Okay****+15.5%**

90-day search growth — must beat 0% to launch

**Quality gap**

**Okay****4.6★**

avg incumbent rating — lower means beatable quality

**Conversion**

**Okay****2.2%**

search→purchase rate — share of searches ending in a sale

According to Flapen's Amazon United States niche tracking, training bras for girls 8-10 is a $1.3M/yr Amazon United States market (2.6M searches/yr). The top 5 brands hold 68% of demand. Demand peaks in Jul–Aug. Verdict: Launch it — 58/100.

Data updated Jul 11, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **training bras for girls 8-10 market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**50K–60K**</dd><dd>avg 750–1,000/product</dd>

<dt>**Revenue / yr**</dt><dd>**$1.1M–$1.3M**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**2.2%**</dd>

<dt>**Avg BSR**</dt><dd>**#73**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**91%**</dd>

<dt>**Out of stock**</dt><dd>**0.8%**</dd>

<dt>**Avg brand age**</dt><dd>**42 months**</dd>

<dt>**Avg seller age**</dt><dd>**138 days**</dd>

</dl>

## **Competition & brand share**

Clicks spread well past the top 5 (35% combined) — an open shelf where new products get seen.

**Brands**

**29 **▲rising

**Sellers**

**32**

**Top-5 brand share**

**68%**

Top 20: 95%

**Top-5 click share**

**35%**

Top 20: 62%

**Open market**

**29%**

- SALIA GIRL20% - Sascina14% - Finihen13% - Popular11% - Herepai10% - Fruit of the Loom3%

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — +15.5% search growth over the last 90 days.

70K50KPrime Day '24Black Friday '24Prime Day '25Spike '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Jul, Aug · busiest ÷ quietest = 2.1×

[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/training-bras-for-girls-8-10/trend)

## **Top training bras for girls 8-10 search terms**

- **training bras for girls 8-10**309K/yr-4.5%1.9% conv. - **girls sports bra**188K/yr+18.2%0.5% conv. - **girls bras 10-12 years old**172K/yr+37.8%2.9% conv. - **training bra for girls 10-12**152K/yr+40.5%3.2% conv. - **girls bras**205K/yr-1.3%1.3% conv. - **bras for teens**183K/yr-0.2%0.5% conv. - **teen bras**158K/yr+13.1%0.9% conv. - **training bra**162K/yr+19.2%1.1% conv. - **girls sports bras 10-12**114K/yr+25.4%1.7% conv. - **girls training bras 10-12 years old**119K/yr+8.7%2.9% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/training-bras-for-girls-8-10/search-terms)

## **Top training bras for girls 8-10 products on Amazon**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%3%$38K6%$75K9%$113K12%$150K101001K10K100K 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![Girl Training Bra Seamless Teen No Show Sports Padding Size10-12 MixedColor](https://m.media-amazon.com/images/I/31LDnVxRHfL.jpg)**Girl Training Bra Seamless Teen No Show Sports Padding Size10-12 MixedColor**Finihen**$28.05**4.7★255 rev](https://www.amazon.com/dp/B0FRXVCTN7) [2![SALIA GIRL Training Bras for Girls 10-16 Sports Seamless Bra with Removable Padding Bras Medium](https://m.media-amazon.com/images/I/21q8P10bIDL.jpg)**SALIA GIRL Training Bras for Girls 10-16 Sports Seamless Bra with Removable Padding Bras Medium**SALIA GIRL**$24.94**4.7★2,462 rev](https://www.amazon.com/dp/B0BYF31VZT) [3![Herepai Big Girls Adjustable Training Bra Cotton Bras Wireless Light Padded 10-16 Years (Black/White/Grey/Skin/Pink)](https://m.media-amazon.com/images/I/315ylH+mDbL.jpg)**Herepai Big Girls Adjustable Training Bra Cotton Bras Wireless Light Padded 10-16 Years (Black/White/Grey/Skin/Pink)**Herepai**$18.92**4.6★904 rev](https://www.amazon.com/dp/B0B6V1J8MW) [4![Popular Cotton Girls Training Bra - Cami Crop for Girls w Adjustable Straps. Pack 5 PK Neu 10/12](https://m.media-amazon.com/images/I/41Vzw56F4SL.jpg)**Popular Cotton Girls Training Bra - Cami Crop for Girls w Adjustable Straps. Pack 5 PK Neu 10/12**Popular**$17.10**4.6★15,558 rev](https://www.amazon.com/dp/B06XY7DBGT) [5![SALIA GIRL Training Bras for Girls with Soft Fixed Padding Seamless Sports Girls Bras 10-12 Years Old Adjustable Strap Design Warm Beige/White/Pink/Black M](https://m.media-amazon.com/images/I/3104J7y8Z6L.jpg)**SALIA GIRL Training Bras for Girls with Soft Fixed Padding Seamless Sports Girls Bras 10-12 Years Old Adjustable Strap Design Warm Beige/White/Pink/Black M**SALIA GIRL**$26.95**4.7★241 rev](https://www.amazon.com/dp/B0FT86XW4N)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![SALIA GIRL Training Bra for Girls & Teens No Show Seamless Teen Bras with Soft Light Padding and Back Hook Warm Beige/Black/White/Grey L](https://m.media-amazon.com/images/I/31BnhB2iGHL.jpg)**SALIA GIRL Training Bra for Girls & Teens No Show Seamless Teen Bras with Soft Light Padding and Back Hook Warm Beige/Black/White/Grey L**SALIA GIRL**$29.45**31 rev2mo ago](https://www.amazon.com/dp/B0GWRQ8F3N) [![Sascina Soft Training Bras for Girls 7-12 Seamless First Bra Adjustable Girls Cami Bra Longline Crop-Double-Layer Lined Nude+Light Gray+Candy Blue+Sand Pink M](https://m.media-amazon.com/images/I/31C9XTSTzRL.jpg)**Sascina Soft Training Bras for Girls 7-12 Seamless First Bra Adjustable Girls Cami Bra Longline Crop-Double-Layer Lined Nude+Light Gray+Candy Blue+Sand Pink M**Sascina**$28.05**43 rev2mo ago](https://www.amazon.com/dp/B0GT9JYFBS) [![Etdane Girls Training Bras Wireless Teen Bras for Girl 14-16 16-18 Lightly Fixed Padded Girls Bra for Teen 6 Pack Size 32-38](https://m.media-amazon.com/images/I/41FDH-V7VDL.jpg)**Etdane Girls Training Bras Wireless Teen Bras for Girl 14-16 16-18 Lightly Fixed Padded Girls Bra for Teen 6 Pack Size 32-38**Etdane**$26.91**12 rev4mo ago](https://www.amazon.com/dp/B0GS89YKYC) [![Pinenut Training Bras for Teen Girls 10-16 Sports Seamless No Shifting or bunching Padding Bras. (US Alpha Medium Regular Black/White)](https://m.media-amazon.com/images/I/31F-M5xdCxL.jpg)**Pinenut Training Bras for Teen Girls 10-16 Sports Seamless No Shifting or bunching Padding Bras. (US Alpha Medium Regular Black/White)**Pinenut**$9.91**44 rev5mo ago](https://www.amazon.com/dp/B0GLFWP4BB) [![Kakamin Girls Seamless Training Bra Sports Bra with Padding for Teen Girl Adjustable Strap Size10-12Years.](https://m.media-amazon.com/images/I/31eI3MAAW9L.jpg)**Kakamin Girls Seamless Training Bra Sports Bra with Padding for Teen Girl Adjustable Strap Size10-12Years.**Kakamin**$13.86**33 rev6mo ago](https://www.amazon.com/dp/B0GF7LW7Q2)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Etdane Girls Training Bras Wireless Teen Bras for Girl 14-16 16-18 Lightly Fixed Padded Girls Bra for Teen 6 Pack Size 32-38](https://m.media-amazon.com/images/I/41FDH-V7VDL.jpg)**Etdane Girls Training Bras Wireless Teen Bras for Girl 14-16 16-18 Lightly Fixed Padded Girls Bra for Teen 6 Pack Size 32-38**Etdane**$26.91**4.5★**▲ 72%**](https://www.amazon.com/dp/B0GS89YKYC) [![Sascina Soft Training Bras for Girls 7-12 Seamless First Bra Adjustable Girls Cami Bra Longline Crop-Double-Layer Lined Nude+Light Gray+Candy Blue+Sand Pink M](https://m.media-amazon.com/images/I/31C9XTSTzRL.jpg)**Sascina Soft Training Bras for Girls 7-12 Seamless First Bra Adjustable Girls Cami Bra Longline Crop-Double-Layer Lined Nude+Light Gray+Candy Blue+Sand Pink M**Sascina**$28.05**4.8★**▲ 72%**](https://www.amazon.com/dp/B0GT9JYFBS) [![SALIA GIRL Training Bra for Girls & Teens No Show Seamless Teen Bras with Soft Light Padding and Back Hook Warm Beige/Black/White/Grey L](https://m.media-amazon.com/images/I/31BnhB2iGHL.jpg)**SALIA GIRL Training Bra for Girls & Teens No Show Seamless Teen Bras with Soft Light Padding and Back Hook Warm Beige/Black/White/Grey L**SALIA GIRL**$29.45**4.8★**▲ 72%**](https://www.amazon.com/dp/B0GWRQ8F3N) [![Kakamin Girls Seamless Training Bra Sports Bra with Padding for Teen Girl Adjustable Strap Size10-12Years.](https://m.media-amazon.com/images/I/31eI3MAAW9L.jpg)**Kakamin Girls Seamless Training Bra Sports Bra with Padding for Teen Girl Adjustable Strap Size10-12Years.**Kakamin**$13.86**4.4★**▲ 71%**](https://www.amazon.com/dp/B0GF7LW7Q2) [![Pinenut Training Bras for Teen Girls 10-16 Sports Seamless No Shifting or bunching Padding Bras. (US Alpha Medium Regular Black/White)](https://m.media-amazon.com/images/I/31F-M5xdCxL.jpg)**Pinenut Training Bras for Teen Girls 10-16 Sports Seamless No Shifting or bunching Padding Bras. (US Alpha Medium Regular Black/White)**Pinenut**$9.91**4.5★**▲ 70%**](https://www.amazon.com/dp/B0GLFWP4BB)

**~~View all trending →~~**

## **What buyers say about training bras for girls 8-10**

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

### **What buyers love **

**Comfort-Overall**26%

*“comfortable to wear”*

**Size-Overall**17%

*“Theyre not too tight”*

**Soft Feel**15%

*“soft material”*

**Quality-Overall**8%

*“Excellent quality”*

**Color**3%

*“Cute colors also”*

**Value For Money**3%

*“They are affordable”*

**Material Quality**3%

*“soft material”*

**Strap/String Quality**2%

*“Adjustable straps were nice to have”*

**Exercise/Sports Suitability**2%

*“its kind of a sports bra that is suitable for everyday wear”*

**Stretchability/Expandability/Elasticity**2%

*“Super soft and stretchy”*

### **What buyers complain about **

**Size-Overall**17%

*“Too big”*

**Quality-Overall**9%

*“Cheap product”*

**Strap/String Quality**8%

*“The straps are not adjustable”*

**Value For Money**4%

*“Cheap”*

**Thickness**4%

*“These are super thin”*

**Material Quality**3%

*“Cheap material”*

**Durability**3%

*“fell apart”*

**Comfort-Overall**3%

*“Incredibly uncomfortable”*

**Stretchability/Expandability/Elasticity**2%

*“elastic on her body”*

**Cushion**2%

*“annoying padding”*

### **Top return reasons **

**Size-Overall**55%

**Chest Fit**18%

**Cushion**4%

**Material Quality**4%

**Thin**3%

**Advertised Vs Actual Product**2%

**Comfort-Overall**2%

**Arm Fit**2%

**Shape/Style**1%

**Strap/String Quality**1%

## **Common questions**

<dl>

<dt>**Is training bras for girls 8-10 profitable to sell on Amazon United States?**</dt><dd>The niche generates $1.3M/yr across 74 tracked products. 25 of 40 products launched in the last 360 days are still selling. 90-day search growth is +15.5%. Flapen's verdict: Launch it (58/100).</dd>

<dt>**How competitive is the training bras for girls 8-10 niche?**</dt><dd>29 brands and 32 sellers compete. The top 5 products take 35% of clicks and top 5 brands hold 68% of demand.</dd>

<dt>**What do buyers complain about in training bras for girls 8-10?**</dt><dd>Top complaints mined from reviews: Size-Overall, Quality-Overall, Strap/String Quality. The return rate is 3.4%.</dd>

<dt>**When does demand for training bras for girls 8-10 peak?**</dt><dd>Demand peaks in Jul–Aug; the busiest month runs 2.1× the quietest.</dd>

<dt>**What does it cost to enter the training bras for girls 8-10 niche?**</dt><dd>Listings span $8.16–$31.74; the average listing price is $21.73 (sweet spot $15–$100). The average incumbent carries 1,489 reviews — the moat a new listing must climb.</dd>

</dl>

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