---
title: "Bikini Shirt — $24K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/bikini-shirt"
last_updated: "2026-08-09T21:45:53.213Z"
locale: en
meta:
description: "Niche score 49/100 · $24K/yr market · 363K searches/yr · $15.80 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 49/100 · $24K/yr market · 363K searches/yr · $15.80 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Bikini Shirt — $24K/yr Amazon US Niche (2026) - Flapen"
---
# **bikini shirt**
**Skip it**
Weak search conversion (0.4%) — this niche doesn't clear our bar today.
Market size 6Growth 97Conversion 5Competition 57Returns 21Price range 70Avg price 77Brand share 41Review moat 70Quality gap 76
**Growth**
**Incredible****+204.7%**
90-day search growth — must beat 0% to launch
**Avg price**
**Great****$15.80**
avg listing price — sweet spot $15–$100
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Good****709.4**
avg incumbent reviews — the moat a new listing must climb
**Price range**
**Good****$10.87–$24.52**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Good****51%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Okay****80%**
top-5 brand share — brands hold most of the demand
**Returns**
**Bad****6.1%**
return rate — above 5% kills the launch gate
**Market size**
**Bad****$24K**
$24K/yr · 363K searches
**Conversion**
**Bad****0.4%**
search→purchase rate — share of searches ending in a sale
**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, bikini shirt is a $24K/yr Amazon United States market (363K searches/yr). The top 5 brands hold 80% of demand. Demand peaks in May–Jun–Jul. Verdict: Skip it — 49/100.
Data updated Jul 14, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **bikini shirt market data**
- **Units sold / yr**
- **2K–3K**
- avg 0–100/product
- **Revenue / yr**
- **$32K–$40K**
- units × avg price
- **Conversion rate**
- **0.4%**
- **Avg BSR**
- **#4,958**
- **Page quality**
- **0%**
- **Prime**
- **90%**
- **Sponsored**
- **93%**
- **Out of stock**
- **3.0%**
- **Avg brand age**
- **30 months**
- **Avg seller age**
- **168 days**
## **Competition & brand share**
The top 5 products take 51% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**12 **▼falling
**Sellers**
**15**
**Top-5 brand share**
**80%**
Top 20: 100%
**Top-5 click share**
**51%**
Top 20: 87%
**Open market**
**14%**
- elescat29% - Ekouaer28% - Seyumixi12% - Monkay6% - ALIREVERIE6% - NUFIWI5% - Open — no brand owns it (6 brands, 14%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +204.7% search growth over the last 90 days.
18K13KHoliday '24Spike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: May, Jun, Jul · busiest ÷ quietest = 4.4×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/bikini-shirt/trend)
## **Top bikini shirt search terms**
- **bikini shirt**86K/yr+171.8%0.4% conv. - **bikini t shirt**53K/yr+254.9%0.3% conv. - **bikini tshirt**47K/yr+229.4%0.3% conv. - **bikini shirts for women funny**33K/yr+144.6%0.2% conv. - **bikini tshirt funny women**22K/yr+119.3%0.1% conv. - **bikini shirt cover up**15K/yr+272.5%0.1% conv. - **bikini shirts**19K/yr+113.7%0.2% conv. - **bikini tee shirt**9K/yr+397.7%0.1% conv. - **funny bikini shirt**10K/yr+218.9%0.2% conv. - **bikini t shirt funny**8K/yr+126.3%0.1% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/bikini-shirt/search-terms)
## **Top bikini shirt 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%10%$2K20%$5K30%$7K40%$10K1101001K10K 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**elescat Womens Beach Cover Up Bikini Printed Short Sleeve Tshirt Dress Baggy Cute Coverups(Pink L)**elescat**$10.87**4.5★359 rev](https://www.amazon.com/dp/B0DLKMDTXG) [2**Ekouaer Bikini T Shirt Miss America Bikini Body Cover-Up T-Shirt for Women L**Ekouaer**$12.03**4.6★2,562 rev](https://www.amazon.com/dp/B07SMPLBB6) [3**elescat Womens Beach Cover Up Bikini Printed Short Sleeve Tshirt Dress Baggy Cute Coverups(Blue Shell L)**elescat**$11.65**4.5★359 rev](https://www.amazon.com/dp/B0F18DC1GZ) [4**Monkay Womens Oversized Graphic Tee Bikini Print Y2K Streetwear Funny Short Sleeve Casual Loose Fit Trendy T-Shirt (Medium White)**Monkay**$17.55**4.2★42 rev](https://www.amazon.com/dp/B0F1LY73M5) [5**Ekouaer Womens Tshirt with Bikini Body Print Short Sleeve Round Neck Bathing Suit Tshirt Cover Ups Oversize Coverup Zebra M**Ekouaer**$12.87**4.6★2,562 rev](https://www.amazon.com/dp/B096XTRSMD)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Womens Bikini Shirt Y2k Oversized Graphic Tee Shirt Summer Short Sleeve Crewneck Loose Tshirts Teen Girls Funny Beach Tee Top Streetwear**Yojeasrio**$15.82**5 rev2mo ago](https://www.amazon.com/dp/B0GXKNGGBW) [**Monkay Womens Oversized Graphic Tee Bikini Print Y2K Streetwear Funny Short Sleeve Casual Loose Fit Trendy T-Shirt (Small White9)**Monkay**$16.14**42 rev11mo ago](https://www.amazon.com/dp/B0FM6W6RZ1) [**Women Funny Bikini Print Shirts Y2k Graphic Short Sleeve Oversized T-Shirts Summer Casual Going Out Tee Tops(Loose Pink XL)**NUFIWI**$16.01**18 rev1y ago](https://www.amazon.com/dp/B0F7R63DP6) [**Seyumixi Women Bra Print Oversized Shirt Short Sleeve Graphic Print Tee Top Funny Bikini Tshirts Y2k Coquette Clothes(Bikini Pink S)**Seyumixi**$15.41**29 rev1y ago](https://www.amazon.com/dp/B0F7HJ1ZF1) [**Seyumixi Women Bra Print Oversized Shirt Short Sleeve Graphic Print Tee Top Funny Bikini Tshirts Y2k Coquette Clothes(Bikini Pink L)**Seyumixi**$15.17**29 rev1y ago](https://www.amazon.com/dp/B0F7HHYK5J)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Womens Bikini Shirt Y2k Oversized Graphic Tee Shirt Summer Short Sleeve Crewneck Loose Tshirts Teen Girls Funny Beach Tee Top Streetwear**Yojeasrio**$15.82**3.6★**▲ 21%**](https://www.amazon.com/dp/B0GXKNGGBW) [**Seyumixi Women Bra Print Oversized Shirt Short Sleeve Graphic Print Tee Top Funny Bikini Tshirts Y2k Coquette Clothes(Bikini Pink M)**Seyumixi**$15.07**4.0★**▲ 20%**](https://www.amazon.com/dp/B0F7HD9B4J) [**Seyumixi Women Bra Print Oversized Shirt Short Sleeve Graphic Print Tee Top Funny Bikini Tshirts Y2k Coquette Clothes(Bikini Black L)**Seyumixi**$15.20**4.0★**▲ 20%**](https://www.amazon.com/dp/B0F7HJMHNQ) [**Women Funny Bikini T Shirt Y2k Bra Print Short Sleeve Oversized Shirt Crewneck Neck Graphic Coquette Tee Tops(Loose Pink Large)**TUWIXIUW**$18.69**3.8★**▲ 20%**](https://www.amazon.com/dp/B0F6NBN6KX) [**ALIREVERIE Womens Mardi Gra Resort Party Bikini T Shirts Short Sleeve Funny Beach Pool Coverup Stars and Stripes S**ALIREVERIE**$15.52**4.4★**▲ 20%**](https://www.amazon.com/dp/B0DT6LVCYP)
**~~View all trending →~~**
## **What buyers say about bikini shirt**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**21%
*“Good quality novelty item”*
**Gifting Purpose**13%
*“This was a great gag gift”*
**Advertised Vs Actual Product**13%
*“Exactly what it said”*
**Comfort-Overall**6%
*“but comfy”*
**Print Quality**6%
*“and so is the printing on it - not oversized - love the concept”*
**Size-Overall**4%
*“the fit is true to size”*
**Soft Feel**4%
*“The fabric is very soft”*
**Warmth**4%
*“work better in hot temps”*
### **What buyers complain about **
**Material Quality**29%
*“Didnt like the material of the shirt”*
**Size-Overall**24%
*“Its oversized”*
**Thin**7%
*“Thin material not cotton”*
**Thickness**7%
*“Very sheer”*
**Wrinkles**5%
*“It came very wrinkled”*
**Print Quality**5%
*“I do feel the print isnt placed in the best spot”*
### **Top return reasons **
**Size-Overall**46%
**Length**15%
**Material Quality**14%
**Quality-Overall**4%
**Advertised Vs Actual Product**3%
**Color**3%
**Print Quality**3%
**Chest Fit**2%
**Width**2%
**Sleeve Fit**2%
## **Common questions**
- **Is bikini shirt profitable to sell on Amazon United States?**
- The niche generates $24K/yr across 30 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is +204.7%. Flapen's verdict: Skip it (49/100).
- **How competitive is the bikini shirt niche?**
- 12 brands and 15 sellers compete. The top 5 products take 51% of clicks and top 5 brands hold 80% of demand.
- **What do buyers complain about in bikini shirt?**
- Top complaints mined from reviews: Material Quality, Size-Overall, Thin. The return rate is 6.1% — above our launch gate.
- **When does demand for bikini shirt peak?**
- Demand peaks in May–Jun–Jul; the busiest month runs 4.4× the quietest.
- **What does it cost to enter the bikini shirt niche?**
- Listings span $10.87–$24.52; the average listing price is $15.80 (sweet spot $15–$100). The average incumbent carries 709 reviews — the moat a new listing must climb.
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