Is plus size rash guard swimwear women profitable to sell on Amazon United States?

The niche generates $13K/yr across 147 tracked products. 6 of 28 products launched in the last 360 days are still selling. 90-day search growth is +137.6%. Flapen's verdict: Worth a look (54/100).

How competitive is the plus size rash guard swimwear women niche?

33 brands and 42 sellers compete. The top 5 products take 15% of clicks and top 5 brands hold 64% of demand.

What do buyers complain about in plus size rash guard swimwear women?

Top complaints mined from reviews: Size-Overall, Color, Length. The return rate is 10.0% — above our launch gate.

When does demand for plus size rash guard swimwear women peak?

Demand peaks in May–Jun–Jul; the busiest month runs 7.8× the quietest.

What does it cost to enter the plus size rash guard swimwear women niche?

Listings span $11.03–$42.85; the average listing price is $24.51 (sweet spot $15–$100). The average incumbent carries 892 reviews — the moat a new listing must climb.

plus size rash guard swimwear women

Worth a look

Shows demand growing +137.6% this quarter, but a small market ($13K/yr) keeps it on the watch list.

Growth

Incredible+137.6%

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

Competition

Incredible15%

top-5 click share — an open shelf

Avg price

Incredible$24.51

avg listing price — sweet spot $15–$100

Price range

Great$11.03–$42.85

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

Brand share

Good64%

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

Review moat

Good892.16

avg incumbent reviews — the moat a new listing must climb

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Returns

Bad10.0%

return rate — above 5% kills the launch gate

Conversion

Bad0.3%

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

Market size

Bad$13K

$13K/yr · 158K searches

Signals Trending High Returns

According to Flapen's Amazon United States niche tracking, plus size rash guard swimwear women is a $13K/yr Amazon United States market (158K searches/yr). The top 5 brands hold 64% of demand. Demand peaks in May–Jun–Jul. Verdict: Worth a look — 54/100.

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

plus size rash guard swimwear women market data

Units sold / yr: 750–1K; avg 0–100/product
Revenue / yr: $18K–$25K; units × avg price
Conversion rate: 0.3%
Avg BSR: #184
Page quality: 0%
Prime: 100%
Sponsored: 97%
Out of stock: 2.3%
Avg brand age: 39 months
Avg seller age: 169 days

Competition & brand share

Clicks spread well past the top 5 (15% combined) — an open shelf where new products get seen.

Brands

33 falling

Sellers

Top-5 brand share

64%

Top 20: 93%

Top-5 click share

15%

Top 20: 40%

Open market

31%

Halcurt27%
FOREYOND18%
ForHailey8%
SOTHEA6%
Tournesol5%
HODOSPORTS5%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +137.6% search growth over the last 90 days.

Peak months: May, Jun, Jul · busiest ÷ quietest = 7.8×

Open Trend

Top plus size rash guard swimwear women search terms

plus size swim shirt34K/yr +208.8%0.3% conv.
plus size rash guard23K/yr +149.7%0.2% conv.
plus size swim shirts for women18K/yr +128.8%0.3% conv.
swim shirts for women plus size19K/yr +116.9%0.4% conv.
plus size rash guard swimwear women15K/yr +19.2%0.2% conv.
plus size rash guard with built in bra7K/yr +339.0%0.1% conv.
womens plus size swim shirt8K/yr +155.3%0.3% conv.
plus size swim shirts7K/yr +142.5%0.4% conv.
rash guard plus size women7K/yr +131.7%0.4% conv.
plus size long sleeve swim top6K/yr +233.8%0.1% conv.

All search terms

Top plus size rash guard swimwear women 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

Tournesol Womens Plus Size Rash Guard UV Sun Protection Swim Tops Short Sleeve Swimwear Swimsuit Swim Shirts Balck

Tournesol$18.654.6★659 rev

Halcurt Womens Plus Size Long Sleeve Rash Guard Swim Shirts UPF50+ Sun Protection Loose Fit Swimsuit Top Black Ombre Blue1 3X

Halcurt$28.774.7★1,245 rev

Halcurt Womens Plus Size Rash Guard Short Sleeve Swim Shirts with Tie Drawstring Half Zip UPF50+ Swimsuit Top Ombre Green 3X

Halcurt$33.754.4★311 rev

IUGA Rash Guard for Women UPF 50+ SPF UV Protection Long Sleeve Workout Tops with Pockets Dry Fit Hiking Swim Shirt

IUGA$12.754.6★2,431 rev

HODOSPORTS Womens Plus Size Rash Guard UPF 50+ Swim Shirt Sun Protection Swimsuit Top Short Sleeve Tropical Leaves 3X

HODOSPORTS$23.614.4★186 rev

Newest

by launch date

Swim Shirts for Woman: Short Sleeve UPF 50+ Rash Guard Quick Dry Shirts UV Sun Protection Shirts

SOISAI$14.0236 rev

2mo ago

Halcurt Womens Plus Size Swim Shorts and Shirt Short Sleeve Swimsuit Water Top Rash Guard with Built in Bra Palm 2X

Halcurt$36.67942 rev

8mo ago

SOTHEA Plus Size Long Sleeve Rash Guard for Women Sun Shirts SPF UV Protection Swim Shirt Zipper Pockets Swimsuits Tops Gradient Green 2X

SOTHEA$33.3754 rev

11mo ago

Womens Plus Size Rash Guard Swim Shirt UPF50+ Short Sleeve Sun Protection with Pockets | Tagless Tummy Control & Mesh Vents

Yansylphsan$16.2062 rev

1y ago

ForHailey Swim Shirts for Women Short Sleeve Plus Size Rash Guard Swim Tops Uv Protection Water Shirts 1/4 Zip Swimwear Athletic Wear Black Leaf Print 3X-Large

ForHailey$18.7427 rev

1y ago

What buyers say about plus size rash guard swimwear women

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

What buyers love

Size-Overall32%

“Fits as advertised”

Comfort-Overall12%

“its comfortable to wear”

Quality-Overall8%

“This is a high quality swim too”

Color6%

“bright colors”

Material Quality5%

“Good quality, lightweight material”

Shape/Style3%

“Style is cute”

Weight Light3%

“Nice light weight shirt”

Advertised Vs Actual Product2%

“everything else is spot on as advertised”

Value For Money2%

“Good value for the price”

Water Resistance2%

“Does well in the water”

What buyers complain about

Size-Overall41%

“Runs very SMALL”

Color4%

“it is not the colors I normally wear”

Length3%

“A Bit Long”

Stretchability/Expandability/Elasticity2%

“I wish it had more elasticity in the tip”

Quality-Overall1%

“Not well made”

Sleeve Fit1%

“The sleeves are a little too long”

Stitch/Finish/Polish1%

“Bra cups are not sewn into the bra”

Chest Fit1%

“it barely fit over my head nevermind across my chest”

Allergies1%

“I have a sun allergy only on my arms”

Water Resistance1%

“meaning it does not absorb massive amounts of water and become heavy, saggy, or waterlogged when completely submerged”

Top return reasons

Size-Overall61%

Chest Fit8%

Length7%

Waist Fit5%

Material Quality2%

Color2%