---
title: "Just My Size Panties — $15K/mo Amazon US Product Research"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/just-my-size-panties"
last_updated: "2026-08-12T20:58:35.023Z"
locale: en
meta:
description: "Amazon product research for just my size panties: $15K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for just my size panties: $15K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Just My Size Panties — $15K/mo Amazon US Product Research"
---
# **Just My Size Panties**
**Worth a look**
Shows a fragmented shelf (top 5 take 17% of clicks), but weak search conversion (1.3%) keeps it on the watch list.
Market size 37Growth 29Conversion 17Competition 96Returns 51Price range 79Avg price 89Brand share 41Review moat 18Quality gap 52
**Competition**
**Incredible****17%**
top-5 click share — an open shelf
**Avg price**
**Great****$20.65**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$8.72–$39.43**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Returns**
**Good****2.9%**
return rate — above 5% kills the launch gate
**Brand share**
**Okay****80%**
top-5 brand share — brands hold most of the demand
**Market size**
**Okay****$183K**
$183K/yr · 662K searches
**Growth**
**Okay****+3.5%**
90-day search growth — must beat 0% to launch
**Review moat**
**Bad****17,557.34**
avg incumbent reviews — the moat a new listing must climb
**Conversion**
**Bad****1.3%**
search→purchase rate — share of searches ending in a sale
## **Is just my size panties profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, just my size panties is a $183K/yr Amazon United States market (662K searches/yr). The top 5 brands hold 80% of demand. Verdict: Worth a look — 50/100.
Data updated Jul 13, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **just my size panties market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **10K–13K**
- avg 100–250/product
- **Revenue / yr**
- **$207K–$258K**
- units × avg price
- **Conversion rate**
- **1.3%**
- **Avg BSR**
- **#1,757**
- **Page quality**
- **0%**
- **Prime**
- **89%**
- **Sponsored**
- **57%**
- **Out of stock**
- **1.7%**
- **Avg brand age**
- **50 months**
- **Avg seller age**
- **152 days**
## **Competition: brands, sellers & click share**
Clicks spread well past the top 5 (17% combined) — an open shelf where new products get seen.
**Brands**
**28 **▲rising
**Sellers**
**76**
**Top-5 brand share**
**80%**
Top 20: 98%
**Top-5 click share**
**17%**
Top 20: 42%
**Open market**
**16%**
- Fruit of the Loom35% - Hanes24% - Molasus11% - JUST MY SIZE6% - INNERSY5% - Vevmon4% - Open — no brand owns it (22 brands, 16%)
## **just my size panties demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +3.5% search growth over the last 90 days.
18K13KPrime Day '24Spike '24Spike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.2×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/just-my-size-panties/trend)
## **Top just my size panties search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **just my size underwear**205K/yr+5.0%1.1% conv. - **fit for me underwear for women plus size**155K/yr+6.8%1.3% conv. - **fit for me fruit of the loom**40K/yr+5.1%0.9% conv. - **jms underwear for women plus size**37K/yr-4.2%0.7% conv. - **fit for me plus size underwear**25K/yr+11.4%0.8% conv. - **fit for me underwear**29K/yr+1.9%0.5% conv. - **fruit of the loom fit for me womens underwear**23K/yr+7.0%1.0% conv. - **hanes just my size underwear for women**20K/yr+6.1%1.5% conv. - **just my size panties**19K/yr-17.9%0.9% conv. - **just my size plus size underwear**15K/yr-7.8%0.5% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/just-my-size-panties/search-terms)
## **Top just my size panties products & what they sell for**
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%1%$2K2%$4K3%$5K4%$7K1001K10K100K 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**Molasus Womens Soft Cotton Underwear Briefs High Waisted Postpartum Panties Ladies Full Coverage Plus Size Underpants Pack of 5 Large**Molasus**$23.84**4.6★45,259 rev](https://www.amazon.com/dp/B09JKDWS6H) [2**Vevmon Cotton Underwear for Women High Waisted Full Coverage Briefs Soft Ladies Panties 5 Pack (US Alpha Medium Regular Regular A-5 Pack 5 Colors)**Vevmon**$14.76**4.3★4,297 rev](https://www.amazon.com/dp/B0FD771S38) [3**Fruit Of The Loom Womens Fit For Me Plus Size Underwear Designed To Your Curves Brief - Breathable Cotton Mesh - Assorted 13 Plus**Fruit of the Loom**$18.56**4.6★41,501 rev](https://www.amazon.com/dp/B07M856HBL) [4**Fruit of the Loom womens Tag Free Cotton Brief Panties (Regular & Plus Size) Underwear Plus Size Brief - 6 Pack Comfort Covered Waistband 12 US**Fruit of the Loom**$15.07**4.4★10,070 rev](https://www.amazon.com/dp/B07MG8RCVV) [5**JUST MY SIZE Womens Plus Size Cool Comfort Cotton High Brief 6-Pack Assorted 11 (16156C)**Hanes**$13.69**4.4★11,857 rev](https://www.amazon.com/dp/B08679XH5S)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Tichati 6 Pack Womens Underwear High Waisted Seamless Breathable Full Coverage Briefs No Show Ladies Panties (Regular & Plus Size)**Tichati**$18.08**501 rev9mo ago](https://www.amazon.com/dp/B0FV8JQCYN) [**Vevmon Cotton Underwear for Women High Waisted Full Coverage Briefs Soft Ladies Panties 5 Pack (US Alpha Medium Regular Regular A-5 Pack 5 Colors)**Vevmon**$14.76**4,297 rev1y ago](https://www.amazon.com/dp/B0FD771S38) [**Cuweni Womens Underwear Seamless High Waisted Briefs Silky Stretch No Show Breathable Full Coverage Ladies Panties 6 Pack (US Alpha Large Regular Regular 6 color packs)**Cuweni**$17.58**3,826 rev1y ago](https://www.amazon.com/dp/B0DZXDP5JG) [**Hanes Womens Brief Underwear Stretch Brief Panties for Women Tag-Free Underwear 5-Pack**Hanes**$12.76**2,328 rev2y ago](https://www.amazon.com/dp/B0CMF1824Y) [**Hanes Womens Mesh Brief Underwear Breathable Panties for Women No-Show Underwear 5-Pack**Hanes**$12.44**2,358 rev2y ago](https://www.amazon.com/dp/B0CMDLJRYT)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Tichati 6 Pack Womens Underwear High Waisted Seamless Breathable Full Coverage Briefs No Show Ladies Panties (Regular & Plus Size)**Tichati**$18.08**4.1★**▲ 89%**](https://www.amazon.com/dp/B0FV8JQCYN) [**Cuweni Womens Underwear Seamless High Waisted Briefs Silky Stretch No Show Breathable Full Coverage Ladies Panties 6 Pack (US Alpha Large Regular Regular 6 color packs)**Cuweni**$17.58**4.0★**▲ 88%**](https://www.amazon.com/dp/B0DZXDP5JG) [**Vevmon Cotton Underwear for Women High Waisted Full Coverage Briefs Soft Ladies Panties 5 Pack (US Alpha Medium Regular Regular A-5 Pack 5 Colors)**Vevmon**$14.76**4.3★**▲ 60%**](https://www.amazon.com/dp/B0FD771S38) [**Hanes Womens Mesh Brief Underwear Breathable Panties for Women No-Show Underwear 5-Pack**Hanes**$12.44**4.5★**▲ 50%**](https://www.amazon.com/dp/B0CMDLJRYT) [**Molasus Womens Soft Cotton Underwear Briefs High Waisted Postpartum Panties Ladies Full Coverage Plus Size Underpants Pack of 5 Small**Molasus**$22.74**4.6★**▲ 48%**](https://www.amazon.com/dp/B09JKFVV76)
**~~View all trending →~~**
## **What reviews say buyers love and hate about just my size panties**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Comfort-Overall**27%
*“more comfortable feel”*
**Size-Overall**22%
*“Fits as expected”*
**Soft Feel**7%
*“They are smooth”*
**Quality-Overall**7%
*“Good quality, size up”*
**Value For Money**4%
*“They are affordable”*
**Material Quality**4%
*“Excellent material”*
**Color**3%
*“Color is vibrant”*
**Breathability**2%
*“Comfortable breathable”*
**Stretchability/Expandability/Elasticity**2%
*“Stretches to fit”*
**Advertised Vs Actual Product**2%
*“Fit as described”*
### **What buyers complain about **
**Size-Overall**26%
*“Absolutely HUGE”*
**Quality-Overall**10%
*“Extremely low quality”*
**Stretchability/Expandability/Elasticity**7%
*“No elasticity”*
**Material Quality**5%
*“Cheap Material”*
**Thickness**4%
*“Theyre very rough thick stiff fabric”*
**Comfort-Overall**4%
*“Not as comfortable as I was hoping”*
**Durability**3%
*“Falling apart”*
**Stitch/Finish/Polish**3%
*“they're coming apart at the seams”*
**Waist Fit**2%
*“Waist runs very small”*
**Thigh Fit**2%
*“run small tight on the thigh”*
### **Top return reasons **
**Size-Overall**54%
**Waist Fit**10%
**Material Quality**8%
**Thigh Fit**4%
**Advertised Vs Actual Product**4%
**Thin**2%
**Length**2%
**Shape/Style**2%
**Comfort-Overall**1%
**Waist High**1%
## **Common just my size panties questions**
- **Is just my size panties profitable to sell on Amazon United States?**
- The niche generates $183K/yr across 150 tracked products. 6 of 10 products launched in the last 360 days are still selling. 90-day search growth is +3.5%. Flapen's verdict: Worth a look (50/100).
- **How competitive is the just my size panties niche?**
- 28 brands and 76 sellers compete. The top 5 products take 17% of clicks and top 5 brands hold 80% of demand.
- **What do buyers complain about in just my size panties?**
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Stretchability/Expandability/Elasticity. The return rate is 2.9%.
- **When does demand for just my size panties peak?**
- Demand is steady year-round — the busiest month runs 1.2× the quietest.
- **What does it cost to enter the just my size panties niche?**
- Listings span $8.72–$39.43; the average listing price is $20.65 (sweet spot $15–$100). The average incumbent carries 17,557 reviews — the moat a new listing must climb.
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