---
title: "One Shoulder Swimsuits for Women — $44K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/one-shoulder-swimsuits-for-women"
last_updated: "2026-08-11T22:35:25.944Z"
locale: en
meta:
description: "Niche score 54/100 · $44K/yr market · 618K searches/yr · $35.22 avg price. High returns (16.2%) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 54/100 · $44K/yr market · 618K searches/yr · $35.22 avg price. High returns (16.2%) keeps it on the watch list. Data updated Jul 2026."
"og:title": "One Shoulder Swimsuits for Women — $44K/yr Amazon US Niche (2026) - Flapen"
---
# **one shoulder swimsuits for women**
**Worth a look**
Shows a fragmented shelf (top 5 take 7% of clicks), but high returns (16.2%) keeps it on the watch list.
Market size 11Growth 63Conversion 3Competition 98Returns 0Price range 76Avg price 95Brand share 95Review moat 48Quality gap 78
**Competition**
**Incredible****7%**
top-5 click share — an open shelf
**Brand share**
**Incredible****37%**
top-5 brand share — no brand owns this niche
**Avg price**
**Incredible****$35.22**
avg listing price — sweet spot $15–$100
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Price range**
**Great****$7.21–$118.05**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Growth**
**Good****+41.2%**
90-day search growth — must beat 0% to launch
**Review moat**
**Okay****1,653.78**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Bad****$44K**
$44K/yr · 618K searches
**Conversion**
**Bad****0.2%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Bad****16.2%**
return rate — above 5% kills the launch gate
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%") [** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%")
According to Flapen's Amazon United States niche tracking, one shoulder swimsuits for women is a $44K/yr Amazon United States market (618K searches/yr). The top 5 brands hold 37% 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 ~~](https://flapen.com/research/methodology)
## **one shoulder swimsuits for women market data**
- **Units sold / yr**
- **2K–2K**
- avg 0–100/product
- **Revenue / yr**
- **$53K–$70K**
- units × avg price
- **Conversion rate**
- **0.2%**
- **Avg BSR**
- **#696**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **93%**
- **Out of stock**
- **1.8%**
- **Avg brand age**
- **35 months**
- **Avg seller age**
- **157 days**
## **Competition & brand share**
Clicks spread well past the top 5 (7% combined) — an open shelf where new products get seen.
**Brands**
**97 **▲rising
**Sellers**
**136**
**Top-5 brand share**
**37%**
Top 20: 71%
**Top-5 click share**
**7%**
Top 20: 22%
**Open market**
**66%**
- CUPSHE9% - SUUKSESS7% - Sexybody6% - LASLULU4% - La Blanca4% - HYTENSUN4%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +41.2% search growth over the last 90 days.
60K40KSpike '24Spike '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: May, Jun, Jul · busiest ÷ quietest = 8.2×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/one-shoulder-swimsuits-for-women/trend)
## **Top one shoulder swimsuits for women search terms**
- **thong one piece swimsuit**117K/yr+53.3%0.2% conv. - **ribbed one piece swimsuit**45K/yr+145.4%0.1% conv. - **high cut one piece swimsuit**36K/yr+93.1%0.1% conv. - **monokini swimsuits**33K/yr+40.1%0.0% conv. - **calvin klein swimsuits for women**39K/yr+41.6%0.1% conv. - **backless one piece swimsuits for women**24K/yr+25.4%0.1% conv. - **one piece thong swimsuit**36K/yr+52.4%0.1% conv. - **high-cut one piece swimsuits women**30K/yr-22.2%0.3% conv. - **cut-out one piece swimsuits women**31K/yr-30.6%0.1% conv. - **backless one piece swimsuit**22K/yr+105.3%0.1% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/one-shoulder-swimsuits-for-women/search-terms)
## **Top one shoulder swimsuits for 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.
0%1%$4352%$8713%$1K4%$2K101001K10K100K 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**Sexybody Women s One Piece Sexy Swimsuits Halter Tie Back V Neck Low Back Bathing Suit Ruched Butt High Cut Swimsuit Thong**Sexybody**$35.11**4.3★186 rev](https://www.amazon.com/dp/B0DS5CJG7N) [2**Foxiny Sexy Backless Cheeky High Cut Leg Thong V Neck One Piece Swimsuit Women Tummy Control Brazilian Open Back Bathing Suit Bikini Leopard Large**Foxiny**$31.13**4.2★579 rev](https://www.amazon.com/dp/B0DDK95BPT) [3**CUPSHE One Piece Swimsuit for Women Bathing Suit Cut Out Cross Back Tie Deep V Neck Ruched High Cut M Black**CUPSHE**$37.27**4.4★891 rev](https://www.amazon.com/dp/B0B3HRLGTS) [4**Sexybody Women Sexy Thong One Piece Swimsuits Cheeky V Neck Bathing Suit Slimming High Cut Backless Swim Suits**Sexybody**$31.75**4.3★71 rev](https://www.amazon.com/dp/B0GK5LR9Y7) [5**Viottiset Womens Ruched High Cut One Piece Swimsuit Tummy Control Cheeky Bathing Suit Black Large**Viottiset**$28.82**4.3★10,026 rev](https://www.amazon.com/dp/B08S3FM56W)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**HYTENSUN One Piece Swimsuit for Women Tummy Control Deep V Swim Suits 2026 Backless Cheeky High Cut Thong Bottom Sexy Bathing Suit Cruise Outfit Black M**HYTENSUN**$27.77**17 rev4mo ago](https://www.amazon.com/dp/B0GR9MGJSP) [**HYTENSUN Sexy One Piece Swimsuit for Women Halter Spaghetti Straps Backless Swimwear High Cut Thong Swim Suits 2026 Black XL**HYTENSUN**$30.11**48 rev5mo ago](https://www.amazon.com/dp/B0GL6YPVM1) [**Sexybody Women Sexy Thong One Piece Swimsuits Cheeky V Neck Bathing Suit Slimming High Cut Backless Swim Suits**Sexybody**$31.75**71 rev5mo ago](https://www.amazon.com/dp/B0GK5LR9Y7) [**Sexybody Women Sexy One Piece Swimsuit Cheeky Thong Ruched Bathing Suit Tummy Control High Cut Crisscross Swim Suits**Sexybody**$28.37**21 rev5mo ago](https://www.amazon.com/dp/B0GK5PB6SB) [**SUUKSESS Women Sexy One piece Tummy Control Swimsuit Cutout Backless Slimming Swimwear 2025 Cheeky Side O-Ring Bathing Suit (Black Medium)**SUUKSESS**$35.82**227 rev7mo ago](https://www.amazon.com/dp/B0G6K47C3H)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**HYTENSUN One Piece Swimsuit for Women Tummy Control Deep V Swim Suits 2026 Backless Cheeky High Cut Thong Bottom Sexy Bathing Suit Cruise Outfit Black M**HYTENSUN**$27.77**4.3★**▲ 29%**](https://www.amazon.com/dp/B0GR9MGJSP) [**Limeeke Women One Piece Swimsuit Solid Ribbed Monokini Swimwear Scoop Neck Low Back Bathing Suit Purple S**Limeeke**$30.79**4.0★**▲ 27%**](https://www.amazon.com/dp/B0B19FRGFY) [**HYTENSUN Sexy One Piece Swimsuit for Women Halter Spaghetti Straps Backless Swimwear High Cut Thong Swim Suits 2026 Black XL**HYTENSUN**$30.11**4.1★**▲ 22%**](https://www.amazon.com/dp/B0GL6YPVM1) [**RELLECIGA Womens Black Polka Dot High Cut Low Back One Piece Thong Swimsuit for Women Size Medium**RELLECIGA**$22.86**4.4★**▲ 20%**](https://www.amazon.com/dp/B09YD9M6GF) [**RELLECIGA Womens Royal Blue High Cut Low Back One Piece Thong Swimsuit for Women Size Medium**RELLECIGA**$23.89**4.4★**▲ 19%**](https://www.amazon.com/dp/B0987HNN32)
**~~View all trending →~~**
## **What buyers say about one shoulder swimsuits for women**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**30%
*“not too tight”*
**Shape/Style**13%
*“I loved the style”*
**Comfort-Overall**10%
*“Super comfortable”*
**Quality-Overall**7%
*“Beautiful quality”*
**Material Quality**7%
*“Good material”*
**Color**5%
*“Colors are vibrant”*
**Design-Overall**3%
*“The design is stylish”*
**Stretchability/Expandability/Elasticity**2%
*“Nice stretch”*
**Value For Money**2%
*“Good Value”*
**Chest Fit**2%
*“Supportive in the chest”*
### **What buyers complain about **
**Size-Overall**25%
*“Too long”*
**Chest Fit**6%
*“Runs bigger up in chest area”*
**Quality-Overall**4%
*“Poor quality”*
**Color**3%
*“Color fades fast”*
**Strap/String Quality**3%
*“However, the straps annoy me sometimes”*
**Shape/Style**3%
*“Not that flattering”*
**Durability**2%
*“Doesnt hold up”*
**Stretchability/Expandability/Elasticity**2%
*“not as stretchy”*
**Thickness**2%
*“It is thick”*
**Comfort-Overall**2%
*“They do kind of dig into my skin”*
### **Top return reasons **
**Size-Overall**53%
**Chest Fit**13%
**Length**9%
**Waist Fit**5%
**Shape/Style**5%
**Hip Fit**4%
**Advertised Vs Actual Product**2%
**Color**2%
**Material Quality**2%
**Strap/String Quality**1%
## **Common questions**
- **Is one shoulder swimsuits for women profitable to sell on Amazon United States?**
- The niche generates $44K/yr across 426 tracked products. 53 of 201 products launched in the last 360 days are still selling. 90-day search growth is +41.2%. Flapen's verdict: Worth a look (54/100).
- **How competitive is the one shoulder swimsuits for women niche?**
- 97 brands and 136 sellers compete. The top 5 products take 7% of clicks and top 5 brands hold 37% of demand.
- **What do buyers complain about in one shoulder swimsuits for women?**
- Top complaints mined from reviews: Size-Overall, Chest Fit, Quality-Overall. The return rate is 16.2% — above our launch gate.
- **When does demand for one shoulder swimsuits for women peak?**
- Demand peaks in May–Jun–Jul; the busiest month runs 8.2× the quietest.
- **What does it cost to enter the one shoulder swimsuits for women niche?**
- Listings span $7.21–$118.05; the average listing price is $35.22 (sweet spot $15–$100). The average incumbent carries 1,654 reviews — the moat a new listing must climb.
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