---
title: "Swim Shirts for Women with Built in Bra — $17K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/swim-shirts-for-women-with-built-in-bra"
last_updated: "2026-08-10T03:33:43.632Z"
locale: en
meta:
description: "Niche score 53/100 · $17K/yr market · 234K searches/yr · $27.32 avg price. High returns (13.2%) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 53/100 · $17K/yr market · 234K searches/yr · $27.32 avg price. High returns (13.2%) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Swim Shirts for Women with Built in Bra — $17K/yr Amazon US Niche (2026) - Flapen"
---
# **swim shirts for women with built in bra**
**Worth a look**
Shows a fragmented shelf (top 5 take 17% of clicks), but high returns (13.2%) keeps it on the watch list.
Market size 4Growth 95Conversion 3Competition 96Returns 0Price range 85Avg price 95Brand share 47Review moat 61Quality gap 70
**Competition**
**Incredible****17%**
top-5 click share — an open shelf
**Growth**
**Incredible****+120.4%**
90-day search growth — must beat 0% to launch
**Avg price**
**Incredible****$27.32**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$11.55–$38.87**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Good****4.3★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Good****1,078.45**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Okay****77%**
top-5 brand share — brands hold most of the demand
**Market size**
**Bad****$17K**
$17K/yr · 234K searches
**Conversion**
**Bad****0.3%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Bad****13.2%**
return rate — above 5% kills the launch gate
**Signals**[** Trending**](https://flapen.com/research/niches?market=us&signal=trending "Search growth > 100% (90d)") [** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%")
According to Flapen's Amazon United States niche tracking, swim shirts for women with built in bra is a $17K/yr Amazon United States market (234K searches/yr). The top 5 brands hold 77% of demand. Verdict: Worth a look — 53/100.
Data updated Jul 14, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **swim shirts for women with built in bra market data**
- **Units sold / yr**
- **500–750**
- avg 0–100/product
- **Revenue / yr**
- **$14K–$20K**
- units × avg price
- **Conversion rate**
- **0.3%**
- **Avg BSR**
- **#109**
- **Page quality**
- **0%**
- **Prime**
- **99%**
- **Sponsored**
- **99%**
- **Out of stock**
- **1.5%**
- **Avg brand age**
- **35 months**
- **Avg seller age**
- **169 days**
## **Competition & brand share**
Clicks spread well past the top 5 (17% combined) — an open shelf where new products get seen.
**Brands**
**31 **▼falling
**Sellers**
**39**
**Top-5 brand share**
**77%**
Top 20: 98%
**Top-5 click share**
**17%**
Top 20: 42%
**Open market**
**21%**
- Halcurt41% - Daci16% - Bonneuitbebe10% - Tournesol5% - SOISAI4% - Viodia3%
## **Demand**
Weekly Amazon search volume, last 49 weeks — +120.4% search growth over the last 90 days.
10K6KSpike '26Aug '25Oct '25Nov '25Jan '26Mar '26May '26
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/swim-shirts-for-women-with-built-in-bra/trend)
## **Top swim shirts for women with built in bra search terms**
- **swim shirt with built in bra**44K/yr+138.1%0.2% conv. - **rash guard with built in bra**42K/yr+130.0%0.1% conv. - **womens swim shirt with bra**16K/yr+231.1%0.3% conv. - **swim shirts for women with built in bra**21K/yr+115.3%0.1% conv. - **womens rash guard with built in bra**12K/yr+158.0%0.2% conv. - **rashguard with built in bra**15K/yr+98.9%0.1% conv. - **womens rash guard with bra**13K/yr+139.5%0.1% conv. - **womens swim shirts with built in bra**9K/yr+108.7%0.3% conv. - **womens swim shirt with built in bra**9K/yr+170.7%0.3% conv. - **swim shirt with bra**9K/yr+124.4%0.1% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/swim-shirts-for-women-with-built-in-bra/search-terms)
## **Top swim shirts for women with built in 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%1%$1732%$3453%$5184%$690101001K10K100K Reviews — right = deep review moatMarket 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.
### **Top sellers**
by 90-day click share
[1**Tournesol Womens 2 Piece Rash Guard Short Sleeve Swim Shirts UPF 50+ Built-in Bra Swimsuit with Boyshorts with Pockets Large**Tournesol**$35.11**4.5★1,429 rev](https://www.amazon.com/dp/B0CHF5FC37) [2**Halcurt Womens Short Sleeve Rash Guard Swimsuit Top with Built in Bra Swim Shirt UPF50+ Quick Dry Bathing Suit Ombre Black Purple M**Halcurt**$28.04**4.2★1,173 rev](https://www.amazon.com/dp/B0CNX3P44T) [3**Swim Shirts for Woman: Short Sleeve UPF 50+ Rash Guard Quick Dry Shirts UV Sun Protection Shirts**SOISAI**$14.02**4.7★36 rev](https://www.amazon.com/dp/B0GZVS3FFV) [4**Halcurt Womens Short Sleeve Rash Guard Swimsuit Top with Built in Bra Swim Shirt UPF50+ Quick Dry Bathing Suit Ombre Blue M**Halcurt**$27.50**4.2★1,173 rev](https://www.amazon.com/dp/B0DMF65VF2) [5**Bonneuitbebe Womens Short Sleeve Rash Guard Swimsuit Top with Built in Bra Swim Shirt UPF50+ Quick Dry Bathing Suit Navy Blue**Bonneuitbebe**$18.91**4.3★336 rev](https://www.amazon.com/dp/B0CHVC3FRR)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Swim Shirts for Woman: Short Sleeve UPF 50+ Rash Guard Quick Dry Shirts UV Sun Protection Shirts**SOISAI**$14.02**36 rev2mo ago](https://www.amazon.com/dp/B0GZVS3FFV) [**Viodia High Neck Tankini Tops for Women Modest Swim Shirts with Bra Swimsuits Tank Only Bathing Suit Top No Bottom Black**Viodia**$21.63**161 rev10mo ago](https://www.amazon.com/dp/B0FR8DJP2J) [**Green Palm Tree 3 Piece Rash Guard for Women - Long Sleeve Swimsuits with Shorts SPF Zip up Swim Shirt with Built in Bra S**Daci**$38.70**548 rev11mo ago](https://www.amazon.com/dp/B0FC65RY2G) [**Halcurt Womens Swim Shirt with Bra Built in Plus Size Swimsuit Sun Protection Rash Guard Ombre Blue 1X**Halcurt**$35.56**942 rev1y ago](https://www.amazon.com/dp/B0DYMP24BS) [**Halcurt Womens Short Sleeve Rash Guard Swimsuit Top with Built in Bra Swim Shirt UPF50+ Quick Dry Bathing Suit Ombre Blue M**Halcurt**$27.50**1,173 rev1y ago](https://www.amazon.com/dp/B0DMF65VF2)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Halcurt Womens Short Sleeve Rash Guard Swim Shirts with Built in Bra Pockets UPF50+ Sun Protection Swimsuit Top Navy Floral XL**Halcurt**$25.57**4.2★**▲ 19%**](https://www.amazon.com/dp/B0DLKRZYZ3) [**Swim Shirts for Woman: Short Sleeve UPF 50+ Rash Guard Quick Dry Shirts UV Sun Protection Shirts**SOISAI**$14.02**4.7★**▲ 19%**](https://www.amazon.com/dp/B0GZVS3FFV) [**Green Palm Tree 3 Piece Rash Guard for Women - Long Sleeve Swimsuits with Shorts SPF Zip up Swim Shirt with Built in Bra S**Daci**$38.70**4.6★**▲ 18%**](https://www.amazon.com/dp/B0FC65RY2G) [**Womens Long Sleeves Rash Guard - 2 Piece Swimsuits with Built in Bra Swim Shirt and Shorts with Pockets Black Floral L**Daci**$34.49**4.4★**▲ 14%**](https://www.amazon.com/dp/B0D96HVNML) [**Halcurt Womens Long Sleeve Rash Guard Swim Shirts with Built in Bra UPF50+ Sun Protection Swimsuit Top Ombre Pink 2XL**Halcurt**$21.62**4.3★**▲ 14%**](https://www.amazon.com/dp/B0DK54691D)
**~~View all trending →~~**
## **What buyers say about swim shirts for women with built in bra**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**31%
*“fit like a glove”*
**Comfort-Overall**10%
*“It is very comfortable to wear”*
**Quality-Overall**9%
*“Awesome quality”*
**Color**6%
*“Colors are nice and vibrant”*
**Material Quality**5%
*“super soft material”*
**Shape/Style**3%
*“Style is cute”*
**Advertised Vs Actual Product**3%
*“Exactly what I wanted”*
**Soft Feel**2%
*“Soft and comfortable”*
**Exercise/Sports Suitability**2%
*“Great for paddle boarding, fishing and boating”*
**Stretchability/Expandability/Elasticity**2%
*“The band is elastic”*
### **What buyers complain about **
**Size-Overall**33%
*“runs big”*
**Color**4%
*“Poor dye quality”*
**Water Resistance**3%
*“meaning it does not absorb massive amounts of water and become heavy, saggy, or waterlogged when completely submerged”*
**Shape/Style**3%
*“It pulled up in an unflattering way”*
**Chest Fit**2%
*“Not great for large bust”*
**Strap/String Quality**1%
*“because it had no draw string it was loose in the waste”*
**Collar Quality**1%
*“the collar was a bit tight for my liking”*
**Sleeve Fit**1%
*“Sleeves are super long”*
**Quality-Overall**1%
*“Bad Quality”*
**Durability**1%
*“The Rash Guard faded on the first time I wore it in the pool”*
### **Top return reasons **
**Size-Overall**58%
**Chest Fit**13%
**Waist Fit**6%
**Length**4%
**Shape/Style**2%
**Color**2%
**Advertised Vs Actual Product**2%
**Hip Fit**2%
**Material Quality**2%
**Sleeve Fit**1%
## **Common questions**
- **Is swim shirts for women with built in bra profitable to sell on Amazon United States?**
- The niche generates $17K/yr across 150 tracked products. 13 of 33 products launched in the last 360 days are still selling. 90-day search growth is +120.4%. Flapen's verdict: Worth a look (53/100).
- **How competitive is the swim shirts for women with built in bra niche?**
- 31 brands and 39 sellers compete. The top 5 products take 17% of clicks and top 5 brands hold 77% of demand.
- **What do buyers complain about in swim shirts for women with built in bra?**
- Top complaints mined from reviews: Size-Overall, Color, Water Resistance. The return rate is 13.2% — above our launch gate.
- **What does it cost to enter the swim shirts for women with built in bra niche?**
- Listings span $11.55–$38.87; the average listing price is $27.32 (sweet spot $15–$100). The average incumbent carries 1,078 reviews — the moat a new listing must climb.
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