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47

38a bra

Skip it

High returns (11.9%) — this niche doesn't clear our bar today.

Market size 4Growth 49Conversion 17Competition 90Returns 0Price range 76Avg price 87Brand share 55Review moat 24Quality gap 86

Competition

Great25%

top-5 click share — an open shelf

Avg price

Great$19.93

avg listing price — sweet spot $15–$100

Quality gap

Great4.1★

avg incumbent rating — lower means beatable quality

Price range

Great$9.07–$33.82

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

Brand share

Good72%

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

Growth

Okay+18.9%

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

Review moat

Bad6,292.77

avg incumbent reviews — the moat a new listing must climb

Conversion

Bad1.4%

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

Market size

Bad$15K

$15K/yr · 53K searches

Returns

Bad11.9%

return rate — above 5% kills the launch gate

According to Flapen's Amazon United States niche tracking, 38a bra is a $15K/yr Amazon United States market (53K searches/yr). The top 5 brands hold 72% of demand. Verdict: Skip it — 47/100.

Data updated Jul 13, 2026 · scored weekly · How we score niches

38a bra market data

Units sold / yr
1K–2K
avg 0–100/product
Revenue / yr
$25K–$30K
units × avg price
Conversion rate
1.4%
Avg BSR
#476
Page quality
0%
Prime
100%
Sponsored
90%
Out of stock
5.7%
Avg brand age
50 months
Avg seller age
148 days

Competition & brand share

Clicks spread well past the top 5 (25% combined) — an open shelf where new products get seen.

Brands

25 rising

Sellers

47

Top-5 brand share

72%

Top 20: 98%

Top-5 click share

25%

Top 20: 63%

Open market

24%

  • Amazon Essentials30%
  • As Fairy16%
  • Fruit of the Loom9%
  • Vertvie9%
  • Halobliss8%
  • Warner's4%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +18.9% search growth over the last 90 days.
2K1KSpike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.4×

Top 38a bra search terms

  • 38a bra25K/yr
  • bra 38a14K/yr
  • 38 a bra7K/yr
  • size 38a bra5K/yr
  • 38a push up bras for women2K/yr
  • 38a bras for women wirefree342/yr
All search terms

Top 38a bra 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%$4436%$8859%$1K12%$2K101001K10K100K Reviews — right = deep review moat Market 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.

What buyers say about 38a bra

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

What buyers love

Comfort-Overall39%

“Extremely comfortable”

Size-Overall17%

“Fit accurate”

Soft Feel8%

“Feels very soft”

Quality-Overall4%

“Appears to be well made”

Value For Money3%

“Great value”

Strap/String Quality3%

“Straps are comfortable”

Material Quality2%

“Super soft material”

Color2%

“great color”

Chest Fit1%

“perfect for small chests”

Shape/Style1%

“Very flattering”

What buyers complain about

Size-Overall27%

“Didn't fit right”

Comfort-Overall6%

“Uncomfortably tight”

Durability6%

“Falls apart”

Strap/String Quality6%

“Straps do not stay tight”

Quality-Overall5%

“Not well made”

Chest Fit3%

“made way to small for big bust”

Advertised Vs Actual Product3%

“Not as advertised”

Shape/Style2%

“Not flattering”

Adhesion/Stickiness2%

“already part of the stickiness has already completely fallen off”

Material Quality1%

“the material cinched around the band”

Top return reasons

Size-Overall57%
Chest Fit22%
Comfort-Overall3%
Advertised Vs Actual Product2%
Shape/Style2%
Material Quality2%
Color1%
Strap/String Quality1%
Arm Fit1%
Cushion1%

Common questions

Is 38a bra profitable to sell on Amazon United States?
The niche generates $15K/yr across 71 tracked products. 6 of 35 products launched in the last 360 days are still selling. 90-day search growth is +18.9%. Flapen's verdict: Skip it (47/100).
How competitive is the 38a bra niche?
25 brands and 47 sellers compete. The top 5 products take 25% of clicks and top 5 brands hold 72% of demand.
What do buyers complain about in 38a bra?
Top complaints mined from reviews: Size-Overall, Comfort-Overall, Durability. The return rate is 11.9% — above our launch gate.
When does demand for 38a bra peak?
Demand is steady year-round — the busiest month runs 1.4× the quietest.
What does it cost to enter the 38a bra niche?
Listings span $9.07–$33.82; the average listing price is $19.93 (sweet spot $15–$100). The average incumbent carries 6,293 reviews — the moat a new listing must climb.