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64

swim bra

Worth a look

Shows demand growing +137.0% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 44Growth 96Conversion 9Competition 96Returns 0Price range 71Avg price 88Brand share 96Review moat 52Quality gap 73

Growth

Incredible+137.0%

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

Competition

Incredible16%

top-5 click share — an open shelf

Brand share

Incredible32%

top-5 brand share — no brand owns this niche

Avg price

Great$20.36

avg listing price — sweet spot $15–$100

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Price range

Good$8.40–$31.31

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

Review moat

Good1,403.54

avg incumbent reviews — the moat a new listing must climb

Market size

Okay$233K

$233K/yr · 1.5M searches

Conversion

Bad0.8%

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

Returns

Bad13.5%

return rate — above 5% kills the launch gate

According to Flapen's Amazon United States niche tracking, swim bra is a $233K/yr Amazon United States market (1.5M searches/yr). The top 5 brands hold 32% of demand. Demand peaks in Apr–May–Jun–Jul. Verdict: Worth a look — 64/100.

Data updated Jul 14, 2026 · scored weekly · How we score niches

swim bra market data

Units sold / yr
13K–15K
avg 0–100/product
Revenue / yr
$255K–$305K
units × avg price
Conversion rate
0.8%
Avg BSR
#115
Page quality
0%
Prime
100%
Sponsored
94%
Out of stock
0.1%
Avg brand age
38 months
Avg seller age
157 days

Competition & brand share

Clicks spread well past the top 5 (16% combined) — an open shelf where new products get seen.

Brands

46 falling

Sellers

52

Top-5 brand share

32%

Top 20: 84%

Top-5 click share

16%

Top 20: 39%

Open market

62%

  • American Trends7%
  • Holipick7%
  • SWIMLANCE6%
  • OZICERD6%
  • CRZ YOGA6%
  • Tempt Me6%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +137.0% search growth over the last 90 days.
90K70KSpike '25Spike '26Prime Day '26SepDecMarJunAugNovMarMay

Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 17.9×

Top swim bra search terms

  • white bikini top279K/yr
  • swim bra162K/yr
  • black bathing suit top146K/yr
  • black swim top139K/yr
  • sports bra swim top81K/yr
  • underwire swim top63K/yr
  • white bathing suit top76K/yr
  • blue bikini top64K/yr
  • pink bikini top74K/yr
  • black swimsuit top62K/yr
All search terms

Top swim 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%2%$5K4%$9K6%$14K8%$19K101001K10K 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 swim bra

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

What buyers love

Size-Overall30%

“Fits to size”

Comfort-Overall12%

“Super comfortable”

Quality-Overall8%

“The quality seems consistent throughout products”

Material Quality5%

“Good material”

Shape/Style4%

“Sexy and flattering style”

Color3%

“Beautiful Color”

Value For Money3%

“Worth it”

Strap/String Quality3%

“Also liked that the straps are adjustable”

Soft Feel2%

“buttery soft”

Advertised Vs Actual Product2%

“looks as advertised”

What buyers complain about

Size-Overall32%

“Runs a little big”

Chest Fit3%

“Was small in the chest”

Quality-Overall3%

“I'm familiar with this level of quality so I know that after wearing this top a few times, the bra pad will be useless”

Strap/String Quality3%

“Straps set too far apart”

Material Quality3%

“the material is cheap”

Advertised Vs Actual Product3%

“False advertising”

Comfort-Overall2%

“not comfy”

Color2%

“Then the whole bra started loosing color”

Shape/Style2%

“It makes my shape look a bit odd”

Stretchability/Expandability/Elasticity2%

“Stretched out in no time”

Top return reasons

Size-Overall52%
Chest Fit27%
Shape/Style3%
Length2%
Waist Fit2%
Advertised Vs Actual Product2%
Material Quality2%
Color1%
Strap/String Quality1%
Comfort-Overall1%

Common questions

Is swim bra profitable to sell on Amazon United States?
The niche generates $233K/yr across 139 tracked products. 9 of 38 products launched in the last 360 days are still selling. 90-day search growth is +137.0%. Flapen's verdict: Worth a look (64/100).
How competitive is the swim bra niche?
46 brands and 52 sellers compete. The top 5 products take 16% of clicks and top 5 brands hold 32% of demand.
What do buyers complain about in swim bra?
Top complaints mined from reviews: Size-Overall, Chest Fit, Quality-Overall. The return rate is 13.5% — above our launch gate.
When does demand for swim bra peak?
Demand peaks in Apr–May–Jun–Jul; the busiest month runs 17.9× the quietest.
What does it cost to enter the swim bra niche?
Listings span $8.40–$31.31; the average listing price is $20.36 (sweet spot $15–$100). The average incumbent carries 1,404 reviews — the moat a new listing must climb.