Skip to content
58

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 47Price 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

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 6% 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

Competition

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%

Open market

29%

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

Product shelf

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%$150K1101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 74 tracked products in this niche — three views at once, no toggling.

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 '26SepDecMarJunAugNovMarMay

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

Reviews

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%