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A small market ($35K/yr) — this niche doesn't clear our bar today.

Market size 9Growth 37Conversion 12Competition 89Returns 17Price range 68Avg price 84Brand share 63Review moat 68Quality gap 37

Competition

Great26%

top-5 click share — an open shelf

Avg price

Great$18.42

avg listing price — sweet spot $15–$100

Review moat

Good783.49

avg incumbent reviews — the moat a new listing must climb

Price range

Good$6.99–$32.20

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

Brand share

Good67%

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

Growth

Okay+9.3%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Returns

Bad7.9%

return rate — above 6% kills the launch gate

Conversion

Bad1.0%

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

Market size

Bad$35K

$35K/yr · 192K searches

Competition

Clicks spread well past the top 5 (26% combined) — an open shelf where new products get seen.

Brands

28 falling

Sellers

52

Top-5 brand share

67%

Open market

29%

  • adidas49%
  • Reebok5%
  • WIFFGO5%
  • Aurefin4%
  • Champion4%
  • Amazon Essentials4%

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%2%$7014%$1K6%$2K8%$3K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 86 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +9.3% search growth over the last 90 days.
23K18KSpike '24Black Friday '24Holiday '24Spike '25Prime Day '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jan, Sep · busiest ÷ quietest = 2.4×

Reviews

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

What buyers love

Size-Overall23%

“and are true to size”

Comfort-Overall12%

“Very comfortable”

Quality-Overall10%

“The quality feels really solid”

Color7%

“The color is vibrant”

Exercise/Sports Suitability5%

“Really nice sports bra”

Value For Money5%

“Price was good”

Material Quality4%

“Buttery soft material”

Breathability3%

“breath well”

Pockets/Compartments3%

“- Got to love Pockets”

Advertised Vs Actual Product3%

“exactly what she wanted”

What buyers complain about

Size-Overall37%

“Run very small”

Transparency5%

“the pink are see through”

Quality-Overall5%

“Poor quality”

Drying Time4%

“do not put in dryer”

Thin3%

“A bit slim”

Stretchability/Expandability/Elasticity3%

“they arent stretchy kinda like a tent material”

Material Quality3%

“Terrible material”

Thickness1%

“Rather thin”

Advertised Vs Actual Product1%

“Misleading”

Stitch/Finish/Polish1%

“There's an imperfection in the seams at the bust where the edge of the fabric is sticking out of the sewn seam which is why its not 5 stars”

Top return reasons

Size-Overall65%
Waist Fit10%
Length6%
Material Quality4%
Advertised Vs Actual Product2%
Inseam Fit2%
Thigh Fit2%
Hip Fit1%
Shape/Style1%
Comfort-Overall1%