---
title: "Black Underwear Women — $123K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/black-underwear-women"
last_updated: "2026-08-10T22:08:50.203Z"
locale: en
meta:
description: "Niche score 51/100 · $123K/yr market · 395K searches/yr. A deep review moat (29,945 avg reviews) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 51/100 · $123K/yr market · 395K searches/yr. A deep review moat (29,945 avg reviews) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Black Underwear Women — $123K/yr Amazon US Niche (2026) - Flapen"
---
# **black underwear women**
**Worth a look**
Shows no brand lock-in (top 5 brands take 49% of clicks), but a deep review moat (29,945 avg reviews) keeps it on the watch list.
Market size 28Growth 24Conversion 27Competition 85Returns 58Price range 73Avg price 72Brand share 86Review moat 11Quality gap 60
**Brand share**
**Great****49%**
top-5 brand share — no brand owns this niche
**Competition**
**Great****30%**
top-5 click share — an open shelf
**Price range**
**Good****$7.53–$34.82**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Good****$14.67**
avg listing price — sweet spot $15–$100
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Returns**
**Good****2.7%**
return rate — above 5% kills the launch gate
**Market size**
**Okay****$123K**
$123K/yr · 395K searches
**Conversion**
**Okay****2.1%**
search→purchase rate — share of searches ending in a sale
**Growth**
**Bad****-2.7%**
90-day search growth — must beat 0% to launch
**Review moat**
**Bad****29,944.5**
avg incumbent reviews — the moat a new listing must climb
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%")
According to Flapen's Amazon United States niche tracking, black underwear women is a $123K/yr Amazon United States market (395K searches/yr). The top 5 brands hold 49% of demand. Demand peaks in Jul. Verdict: Worth a look — 51/100.
Data updated Jul 13, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **black underwear women market data**
- **Units sold / yr**
- **8K–10K**
- avg 0–100/product
- **Revenue / yr**
- **$117K–$147K**
- units × avg price
- **Conversion rate**
- **2.1%**
- **Avg BSR**
- **#96**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **86%**
- **Out of stock**
- **0.3%**
- **Avg brand age**
- **41 months**
- **Avg seller age**
- **148 days**
## **Competition & brand share**
Clicks spread well past the top 5 (30% combined) — an open shelf where new products get seen.
**Brands**
**32 **▲rising
**Sellers**
**43**
**Top-5 brand share**
**49%**
Top 20: 93%
**Top-5 click share**
**30%**
Top 20: 67%
**Open market**
**45%**
- SIMIYA14% - Molasus14% - INNERSY8% - HSYUEEVIA7% - MISSWHO6% - voenxe5%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -2.7% search growth over the last 90 days.
20K15KPrime Day '24Prime Day '25Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jul · busiest ÷ quietest = 1.5×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/black-underwear-women/trend)
## **Top black underwear women search terms**
- **black underwear women**249K/yr-0.1%1.8% conv. - **black underwear**66K/yr+13.4%1.4% conv. - **black womens underwear**25K/yr+1.3%2.0% conv. - **womens underwear black**18K/yr-15.7%2.1% conv. - **womens black panties**9K/yr+10.3%1.5% conv. - **100 percent cotton underwear women bikini**8K/yr-55.9%0.2% conv. - **gym underwear**7K/yr-14.5%0.2% conv. - **workout underwear women**4K/yr-22.0%0.3% conv. - **no show workout underwear women**4K/yr-11.8%0.5% conv. - **low rise bikini panties**5K/yr-67.9%0.0% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/black-underwear-women/search-terms)
## **Top black underwear 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%2%$2K4%$5K6%$7K8%$10K1001K10K100K1.0M 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**SIMIYA 7 Pack Womens Underwear Comfort Breathable Bikini Panties Large Black**SIMIYA**$11.12**4.4★12,209 rev](https://www.amazon.com/dp/B0819SGK1Q) [2**HSYUEEVIA Cotton Underwear for Women 6 Pack Soft Full Coverage Black Panties for Women Breathable Stretchy No Ride-Up No Fade Tag-Free Comfortable Everyday Cotton Briefs**HSYUEEVIA**$9.86**4.3★192 rev](https://www.amazon.com/dp/B0FCG6C1KX) [3**INNERSY Womens Underwear Cotton Hipster Panties Regular & Plus Size 6-Pack(Medium Black)**INNERSY**$19.63**4.6★48,600 rev](https://www.amazon.com/dp/B07RJL9WFZ) [4**MISSWHO Cotton Underwear Women Pack Womens Underwear High Waisted Tummy Control Black Briefs C Section Postpartum Ladies Panties Large**MISSWHO**$10.20**4.2★1,562 rev](https://www.amazon.com/dp/B0F52MPC5Q) [5**Molasus Womens Soft Cotton Underwear Briefs High Waisted Postpartum Panties Ladies Full Coverage Plus Size Underpants Black Medium**Molasus**$23.81**4.6★45,259 rev](https://www.amazon.com/dp/B07Y36HXZT)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**dmuveo Womens Cotton Underwear Hispter Black Panties Bikini Low Rise Soft Breathable Stretch Ladies Cheeky 6 Pack Plus Size 6 Medium**dmuveo**$7.53**105 rev7mo ago](https://www.amazon.com/dp/B0G3QTR1RR) [**SHARICCA Womens Seamless Underwear No Show Hipster Panties Invisible Lightweight Nuage Bikinis Briefs Microfiber Pack5P01 M**SHARICCA**$14.84**1,069 rev11mo ago](https://www.amazon.com/dp/B0FF4P83DB) [**ANSUKOO 6 Pack Women Bikini Underwear Seamless Breathable Ladies Panties No Show Workout Comfortable Undies for Women Soft Black**ANSUKOO**$14.87**128 rev12mo ago](https://www.amazon.com/dp/B0FH1RZX91) [**HSYUEEVIA Cotton Underwear for Women 6 Pack Soft Full Coverage Black Panties for Women Breathable Stretchy No Ride-Up No Fade Tag-Free Comfortable Everyday Cotton Briefs**HSYUEEVIA**$9.86**192 rev1y ago](https://www.amazon.com/dp/B0FCG6C1KX) [**dmuveo Womens Cotton High Waisted Underwear Tummy Control Full Coverage Postpartum Ladies Black Panties C Section Soft Briefs 5 Pack Plus Size 6 Medium**dmuveo**$18.03**555 rev1y ago](https://www.amazon.com/dp/B0F7G97KB8)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**dmuveo Womens Cotton High Waisted Underwear Tummy Control Full Coverage Postpartum Ladies Black Panties C Section Soft Briefs 5 Pack Plus Size 6 Medium**dmuveo**$18.03**4.4★**▲ 67%**](https://www.amazon.com/dp/B0F7G97KB8) [**UNDER THE SEA Cotton Underwear for Women 6 Pack Sexy Bikini High Cut Breathable Cheeky Panties ropa interior mujer calzones para algodon**UNDER THE SEA**$9.66**4.4★**▲ 67%**](https://www.amazon.com/dp/B0DHDB4M2D) [**SHARICCA Womens Seamless Underwear No Show Hipster Panties Invisible Lightweight Nuage Bikinis Briefs Microfiber Pack5P01 M**SHARICCA**$14.84**4.1★**▲ 53%**](https://www.amazon.com/dp/B0FF4P83DB) [**SIMIYA 7 Pack Womens Underwear Comfort Breathable Bikini Panties Small Black**SIMIYA**$12.45**4.4★**▲ 49%**](https://www.amazon.com/dp/B0819RTN96) [**READY TO LOVE Cotton Underwear for Women Pack Sexy Stretch Soft Thongs Breathable Thong Panties for Leggings Workout Yoga Black**READY TO LOVE**$9.33**4.4★**▲ 47%**](https://www.amazon.com/dp/B0D3GL38VC)
**~~View all trending →~~**
## **What buyers say about black underwear women**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Comfort-Overall**30%
*“Very comfortable to use”*
**Size-Overall**18%
*“Smooth fit”*
**Quality-Overall**8%
*“Seem well made”*
**Soft Feel**7%
*“Very smooth”*
**Value For Money**4%
*“They are affordable”*
**Material Quality**4%
*“Comfortable great material”*
**Breathability**3%
*“Comfortable and breathable”*
**Color**2%
*“Cute colors”*
**Stretchability/Expandability/Elasticity**2%
*“Good amount of stretch”*
**Advertised Vs Actual Product**2%
*“As advertised”*
### **What buyers complain about **
**Size-Overall**22%
*“Run large”*
**Quality-Overall**7%
*“Not the Hanes Quality I Expected”*
**Comfort-Overall**7%
*“Not as comfortable as I was hoping”*
**Stretchability/Expandability/Elasticity**6%
*“Stretched out”*
**Material Quality**5%
*“Cheap material”*
**Thickness**4%
*“Thick”*
**Durability**3%
*“Falls Apart”*
**Stitch/Finish/Polish**3%
*“Seems not sewn correctly”*
**Advertised Vs Actual Product**2%
*“Not as described”*
**Shrinkage Resistance**2%
*“Shrinks a lot”*
### **Top return reasons **
**Size-Overall**51%
**Material Quality**11%
**Waist Fit**10%
**Thigh Fit**4%
**Advertised Vs Actual Product**4%
**Thin**2%
**Length**2%
**Comfort-Overall**2%
**Shape/Style**2%
**Quality-Overall**1%
## **Common questions**
- **Is black underwear women profitable to sell on Amazon United States?**
- The niche generates $123K/yr across 72 tracked products. 2 of 12 products launched in the last 360 days are still selling. 90-day search growth is -2.7%. Flapen's verdict: Worth a look (51/100).
- **How competitive is the black underwear women niche?**
- 32 brands and 43 sellers compete. The top 5 products take 30% of clicks and top 5 brands hold 49% of demand.
- **What do buyers complain about in black underwear women?**
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Comfort-Overall. The return rate is 2.7%.
- **When does demand for black underwear women peak?**
- Demand peaks in Jul; the busiest month runs 1.5× the quietest.
- **What does it cost to enter the black underwear women niche?**
- Listings span $7.53–$34.82; the average listing price is $14.67 (sweet spot $15–$100). The average incumbent carries 29,945 reviews — the moat a new listing must climb.
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