Is training bras for girls 8-10 profitable to sell on Amazon United States?

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).

How competitive is the training bras for girls 8-10 niche?

29 brands and 32 sellers compete. The top 5 products take 35% of clicks and top 5 brands hold 68% of demand.

What do buyers complain about in training bras for girls 8-10?

Top complaints mined from reviews: Size-Overall, Quality-Overall, Strap/String Quality. The return rate is 3.4%.

When does demand for training bras for girls 8-10 peak?

Demand peaks in Jul–Aug; the busiest month runs 2.1× the quietest.

What does it cost to enter the training bras for girls 8-10 niche?

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.

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.

Avg price

Great$21.73

avg listing price — sweet spot $15–$100

Market size

Great$1.3M

$1.3M/yr · 2.6M searches

Competition

Great35%

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

Good68%

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

Review moat

Good1,489.08

avg incumbent reviews — the moat a new listing must climb

Returns

Okay3.4%

return rate — above 5% kills the launch gate

Growth

Okay+15.5%

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

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Conversion

Okay2.2%

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

training bras for girls 8-10 market data

Units sold / yr: 50K–60K; avg 750–1,000/product
Revenue / yr: $1.1M–$1.3M; units × avg price
Conversion rate: 2.2%
Avg BSR: #73
Page quality: 0%
Prime: 100%
Sponsored: 91%
Out of stock: 0.8%
Avg brand age: 42 months
Avg seller age: 138 days

Competition & brand share

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

Brands

29 rising

Sellers

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.

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

Open Trend

Top training bras for girls 8-10 search terms

training bras for girls 8-10309K/yr -4.5%1.9% conv.
girls sports bra188K/yr +18.2%0.5% conv.
girls bras 10-12 years old172K/yr +37.8%2.9% conv.
training bra for girls 10-12152K/yr +40.5%3.2% conv.
girls bras205K/yr -1.3%1.3% conv.
bras for teens183K/yr -0.2%0.5% conv.
teen bras158K/yr +13.1%0.9% conv.
training bra162K/yr +19.2%1.1% conv.
girls sports bras 10-12114K/yr +25.4%1.7% conv.
girls training bras 10-12 years old119K/yr +8.7%2.9% conv.

All 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.

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

Girl Training Bra Seamless Teen No Show Sports Padding Size10-12 MixedColor

Finihen$28.054.7★255 rev

SALIA GIRL Training Bras for Girls 10-16 Sports Seamless Bra with Removable Padding Bras Medium

SALIA GIRL$24.944.7★2,462 rev

Herepai Big Girls Adjustable Training Bra Cotton Bras Wireless Light Padded 10-16 Years (Black/White/Grey/Skin/Pink)

Herepai$18.924.6★904 rev

Popular Cotton Girls Training Bra - Cami Crop for Girls w Adjustable Straps. Pack 5 PK Neu 10/12

Popular$17.104.6★15,558 rev

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$26.954.7★241 rev

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

SALIA GIRL$29.4531 rev

2mo ago

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$28.0543 rev

2mo ago

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$26.9112 rev

4mo ago

Pinenut Training Bras for Teen Girls 10-16 Sports Seamless No Shifting or bunching Padding Bras. (US Alpha Medium Regular Black/White)

Pinenut$9.9144 rev

5mo ago

Kakamin Girls Seamless Training Bra Sports Bra with Padding for Teen Girl Adjustable Strap Size10-12Years.

Kakamin$13.8633 rev

6mo ago

What buyers say about training bras for girls 8-10

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

What buyers love

Comfort-Overall26%

“comfortable to wear”

Size-Overall17%

“Theyre not too tight”

Soft Feel15%

“soft material”

Quality-Overall8%

“Excellent quality”

Color3%

“Cute colors also”

Value For Money3%

“They are affordable”

Material Quality3%

“soft material”

Strap/String Quality2%

“Adjustable straps were nice to have”

Exercise/Sports Suitability2%

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

Stretchability/Expandability/Elasticity2%

“Super soft and stretchy”

What buyers complain about

Size-Overall17%

“Too big”

Quality-Overall9%

“Cheap product”

Strap/String Quality8%

“The straps are not adjustable”

Value For Money4%

“Cheap”

Thickness4%

“These are super thin”

Material Quality3%

“Cheap material”

Durability3%

“fell apart”

Comfort-Overall3%

“Incredibly uncomfortable”

Stretchability/Expandability/Elasticity2%

“elastic on her body”

Cushion2%

“annoying padding”

Top return reasons

Size-Overall55%

Chest Fit18%

Cushion4%

Material Quality4%

Thin3%

Advertised Vs Actual Product2%

Comfort-Overall2%

Arm Fit2%

Shape/Style1%

Strap/String Quality1%

Common questions

Is training bras for girls 8-10 profitable to sell on Amazon United States?: 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).
How competitive is the training bras for girls 8-10 niche?: 29 brands and 32 sellers compete. The top 5 products take 35% of clicks and top 5 brands hold 68% of demand.
What do buyers complain about in training bras for girls 8-10?: Top complaints mined from reviews: Size-Overall, Quality-Overall, Strap/String Quality. The return rate is 3.4%.
When does demand for training bras for girls 8-10 peak?: Demand peaks in Jul–Aug; the busiest month runs 2.1× the quietest.
What does it cost to enter the training bras for girls 8-10 niche?: 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.