Is plus size bras for women 4x-5x profitable to sell on Amazon United States?

The niche generates $23K/yr across 82 tracked products. 13 of 16 products launched in the last 360 days are still selling. 90-day search growth is +4.8%. Flapen's verdict: Skip it (47/100).

How competitive is the plus size bras for women 4x-5x niche?

35 brands and 50 sellers compete. The top 5 products take 24% of clicks and top 5 brands hold 48% of demand.

What do buyers complain about in plus size bras for women 4x-5x?

Top complaints mined from reviews: Size-Overall, Strap/String Quality, Comfort-Overall. The return rate is 8.6% — above our launch gate.

When does demand for plus size bras for women 4x-5x peak?

Demand peaks in Jul; the busiest month runs 2.0× the quietest.

What does it cost to enter the plus size bras for women 4x-5x niche?

Listings span $7.98–$34.10; the average listing price is $20.86 (sweet spot $15–$100). The average incumbent carries 14,207 reviews — the moat a new listing must climb.

plus size bras for women 4x-5x

Skip it

A small market ($23K/yr) — this niche doesn't clear our bar today.

Competition

Great24%

top-5 click share — an open shelf

Avg price

Great$20.86

avg listing price — sweet spot $15–$100

Brand share

Great48%

top-5 brand share — no brand owns this niche

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Price range

Good$7.98–$34.10

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

Growth

Okay+4.8%

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

Review moat

Bad14,206.55

avg incumbent reviews — the moat a new listing must climb

Returns

Bad8.6%

return rate — above 5% kills the launch gate

Conversion

Bad0.7%

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

Market size

Bad$23K

$23K/yr · 165K searches

Signals No Dominant Brand High Returns

According to Flapen's Amazon United States niche tracking, plus size bras for women 4x-5x is a $23K/yr Amazon United States market (165K searches/yr). The top 5 brands hold 48% of demand. Demand peaks in Jul. Verdict: Skip it — 47/100.

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

plus size bras for women 4x-5x market data

Units sold / yr: 1K–2K; avg 0–100/product
Revenue / yr: $26K–$31K; units × avg price
Conversion rate: 0.7%
Avg BSR: #353
Page quality: 0%
Prime: 99%
Sponsored: 83%
Out of stock: 1.2%
Avg brand age: 41 months
Avg seller age: 155 days

Competition & brand share

Clicks spread well past the top 5 (24% combined) — an open shelf where new products get seen.

Brands

35 falling

Sellers

Top-5 brand share

48%

Top 20: 89%

Top-5 click share

24%

Top 20: 54%

Open market

47%

FITTIN16%
Tmeefee9%
Hanes8%
SIMIYA8%
BAOMOSI7%
SHAPERMINT5%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +4.8% search growth over the last 90 days.

Peak months: Jul · busiest ÷ quietest = 2.0×

Open Trend

Top plus size bras for women 4x-5x search terms

plus size sports bras for women 3x-5x82K/yr +19.3%0.5% conv.
3x bras for plus size women12K/yr -1.2%0.6% conv.
4xl sports bras for plus size women12K/yr +9.4%0.6% conv.
5x sports bras for plus size women9K/yr -3.0%0.8% conv.
plus size bras for women 4x-5x20K/yr -56.3%0.0% conv.
3x bra7K/yr +36.6%0.5% conv.
4x bra7K/yr +5.5%0.5% conv.
5x sports bra7K/yr +3.7%0.5% conv.
cotton sports bras for women plus size4K/yr +65.0%0.1% conv.
4x bras for plus size women2K/yr +49.2%0.2% conv.

All search terms

Top plus size bras for women 4x-5x 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

Tmeefee Adjustable Sports Bras for Women High Support Padded Racerback Bra

Tmeefee$26.374.4★2,131 rev

FITTIN Supportive Sports Bra for Large-Bust: 12-Hour Zero-Pressure Comfort - Forget to Take It Off - Full Coverage Racerback Seamless Sport Bras for Workout for C-DDD Cup Plus Size Women

FITTIN$26.544.5★39,610 rev

SIMIYA Womens Sports Bras Yoga Comfort Seamless Stretchy Sports Bra for Women 3 Pack Black

SIMIYA$21.014.1★11,393 rev

FITTIN Adjustable Sports Bra for Women: One Bra for Different Support Needs

FITTIN$26.214.5★1,964 rev

FITTIN Supportive Sports Bra for Large-Bust: 12-Hour Zero-Pressure Comfort - Forget to Take It Off - Full Coverage Racerback Seamless Sport Bras for Workout for C-DDD Cup Plus Size Women

FITTIN$26.954.5★39,610 rev

Newest

by launch date

Fruit of the Loom Womens Built Up Tank Style Sports Bra

Fruit of the Loom$13.3639,373 rev

1mo ago

Soft Intention Jelly Wireless Bra Seamless Push Up Full Coverage Supportive Everyday Sport T-Shirt Bra Regular & Plus Size Black

Soft Intention$22.571,478 rev

1mo ago

Cordaw Front Zipper Plus Size Sports Bra for Women High Impact Racerback with Fixed Cup for Running Gym Brick Red 5XL

Cordaw$28.4631 rev

5mo ago

LetsJoli Jelly Bras for Women Push Up Bra Wireless No Underwire Supportive Full Coverage Plus Size for Older Women(Leopard Pink L)

LetsJoli$19.6216,468 rev

5mo ago

Tmeefee Adjustable Sports Bras for Women High Support Padded Racerback Bra

Tmeefee$26.372,131 rev

1y ago

What buyers say about plus size bras for women 4x-5x

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

What buyers love

Comfort-Overall35%

“Comfortable to wear”

Size-Overall20%

“Amazing fit”

Soft Feel6%

“Comfy and soft”

Value For Money4%

“Amazing value”

Quality-Overall4%

“the product is satisfactory”

Strap/String Quality3%

“Nice wide straps”

Material Quality2%

“Very soft material”

Exercise/Sports Suitability2%

“are perfect for my workouts”

Color2%

“the color is accurate”

Chest Fit1%

“supportive bra when you're chesty”

What buyers complain about

Size-Overall31%

“Didn't fit”

Strap/String Quality7%

“Straps are uncomfortable”

Comfort-Overall5%

“Not comfortable”

Chest Fit4%

“Not for large chest”

Quality-Overall3%

“Poor quality”

Material Quality3%

“didn't like material”

Stretchability/Expandability/Elasticity3%

“not enough stretch”

Advertised Vs Actual Product2%

“False Advertising”

Cushion2%

“No padding”

Thickness2%

“These are thin material”

Top return reasons

Size-Overall63%

Chest Fit17%

Advertised Vs Actual Product2%

Material Quality2%

Comfort-Overall2%

Strap/String Quality1%

Cushion1%

Shape/Style1%

Arm Fit1%

Thin1%

Common questions

Is plus size bras for women 4x-5x profitable to sell on Amazon United States?: The niche generates $23K/yr across 82 tracked products. 13 of 16 products launched in the last 360 days are still selling. 90-day search growth is +4.8%. Flapen's verdict: Skip it (47/100).
How competitive is the plus size bras for women 4x-5x niche?: 35 brands and 50 sellers compete. The top 5 products take 24% of clicks and top 5 brands hold 48% of demand.
What do buyers complain about in plus size bras for women 4x-5x?: Top complaints mined from reviews: Size-Overall, Strap/String Quality, Comfort-Overall. The return rate is 8.6% — above our launch gate.
When does demand for plus size bras for women 4x-5x peak?: Demand peaks in Jul; the busiest month runs 2.0× the quietest.
What does it cost to enter the plus size bras for women 4x-5x niche?: Listings span $7.98–$34.10; the average listing price is $20.86 (sweet spot $15–$100). The average incumbent carries 14,207 reviews — the moat a new listing must climb.