---
title: "Running Underwear for Women — $182K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/running-underwear-for-women"
last_updated: "2026-08-10T21:30:58.744Z"
locale: en
meta:
description: "Niche score 51/100 · $182K/yr market · 601K searches/yr · $22.38 avg price. Weak search conversion (1.4%) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 51/100 · $182K/yr market · 601K searches/yr · $22.38 avg price. Weak search conversion (1.4%) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Running Underwear for Women — $182K/yr Amazon US Niche (2026) - Flapen"
---
# **running underwear for women**
**Worth a look**
Shows a fragmented shelf (top 5 take 11% of clicks), but weak search conversion (1.4%) keeps it on the watch list.
Market size 37Growth 27Conversion 17Competition 97Returns 54Price range 80Avg price 93Brand share 50Review moat 20Quality gap 52
**Competition**
**Incredible****11%**
top-5 click share — an open shelf
**Avg price**
**Great****$22.38**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$8.39–$43.35**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Returns**
**Good****2.9%**
return rate — above 5% kills the launch gate
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Good****75%**
top-5 brand share — brands hold most of the demand
**Market size**
**Okay****$182K**
$182K/yr · 601K searches
**Growth**
**Okay****+1.4%**
90-day search growth — must beat 0% to launch
**Review moat**
**Bad****13,309.67**
avg incumbent reviews — the moat a new listing must climb
**Conversion**
**Bad****1.4%**
search→purchase rate — share of searches ending in a sale
According to Flapen's Amazon United States niche tracking, running underwear for women is a $182K/yr Amazon United States market (601K searches/yr). The top 5 brands hold 75% of demand. Demand peaks in Aug. Verdict: Worth a look — 51/100.
Data updated Jul 13, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **running underwear for women market data**
- **Units sold / yr**
- **8K–10K**
- avg 0–100/product
- **Revenue / yr**
- **$179K–$224K**
- units × avg price
- **Conversion rate**
- **1.4%**
- **Avg BSR**
- **#200**
- **Page quality**
- **0%**
- **Prime**
- **99%**
- **Sponsored**
- **89%**
- **Out of stock**
- **9.9%**
- **Avg brand age**
- **43 months**
- **Avg seller age**
- **146 days**
## **Competition & brand share**
Clicks spread well past the top 5 (11% combined) — an open shelf where new products get seen.
**Brands**
**46 **▲rising
**Sellers**
**150**
**Top-5 brand share**
**75%**
Top 20: 94%
**Top-5 click share**
**11%**
Top 20: 28%
**Open market**
**28%**
- Reebok28% - Fruit of the Loom23% - BAMBOO COOL9% - Under Armour6% - Molasus5% - Balanced Tech2%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +1.4% search growth over the last 90 days.
20K15KPrime Day '24Spike '24Holiday '24Prime Day '25Spike '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Aug · busiest ÷ quietest = 3.1×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/running-underwear-for-women/trend)
## **Top running underwear for women search terms**
- **reebok underwear for women**168K/yr-5.9%1.0% conv. - **fruit of the loom womens underwear bikinis**41K/yr-10.6%1.3% conv. - **fruit of the loom women briefs**25K/yr+7.4%1.1% conv. - **quick dry underwear for women**26K/yr+51.1%0.6% conv. - **reebok womens underwear**37K/yr-0.7%1.0% conv. - **fruit of the loom womens briefs**32K/yr+34.0%0.8% conv. - **running underwear for women**31K/yr-3.0%0.9% conv. - **under armour underwear women**32K/yr+7.6%1.6% conv. - **womens reebok underwear**26K/yr-3.7%0.9% conv. - **reebok underwear women**19K/yr+14.2%1.1% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/running-underwear-for-women/search-terms)
## **Top running underwear 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%$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**Reebok Womens Hipster Panties 5 Pack Soft Stretch Underwear for Women**Reebok**$20.59**4.6★6,390 rev](https://www.amazon.com/dp/B0F9QGJD75) [2**Reebok Womens Hipster Panties Underwear Stretch Tag-Free Waistband 5 Pack Size Large Blue Stripe Melange/Lotus/Charcoal Heather/Lilas/Deep Taupe**Reebok**$23.49**4.7★1,003 rev](https://www.amazon.com/dp/B0D9ML1FLY) [3**Reebok Hipster Panties for Women - 5 Pack Stretch Performance Seamless Underwear with Relaxed Tag-Free Waistband (S-XL) Size Medium All Black**Reebok**$23.09**4.7★1,003 rev](https://www.amazon.com/dp/B0CQN9VJQS) [4**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) [5**Fruit of the Loom womens Breathable Underwear Regular Brief - Cotton Mesh - 6 Pack Assorted Colors 8 US**Fruit of the Loom**$14.53**4.6★60,164 rev](https://www.amazon.com/dp/B07QXBBN7S)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**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) [**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) [**Reebok Womens Hipster Panties 5 Pack Soft Stretch Underwear for Women**Reebok**$20.59**6,390 rev1y ago](https://www.amazon.com/dp/B0F9QGJD75) [**Reebok Womens Hipster Panties 5 Pack Soft Stretch Underwear for Women**Reebok**$20.86**6,390 rev1y ago](https://www.amazon.com/dp/B0F9QQ659W) [**Reebok Womens Hipster Panties Underwear Stretch Tag-Free Waistband 5 Pack Size Medium Black/Steel Grey/Light Rose/Lilac/Dusty Rose**Reebok**$21.79**1,003 rev1y ago](https://www.amazon.com/dp/B0F9R1FX2H)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Reebok Womens Hipster Panties 5 Pack Soft Stretch Underwear for Women**Reebok**$20.86**4.6★**▲ 45%**](https://www.amazon.com/dp/B0F9QQ659W) [**Reebok Hipster Panties for Women - 5 Pack Stretch Performance Seamless Underwear with Relaxed Tag-Free Waistband (S-XL) Size Large Heather Grey/Pink Lady/Sharkskin/Rasberry/Plum**Reebok**$22.18**4.7★**▲ 44%**](https://www.amazon.com/dp/B0D9MKWTH3) [**Reebok Womens Boyshorts Underwear - 5 Pack Stretch Performance Seamless Underwear for Women 4 Inseam with Tagless Waistband Size X-Large Blackened Pearl/Lotus/Foxglove/Sharkskin/Black**Reebok**$25.09**4.5★**▲ 44%**](https://www.amazon.com/dp/B0CZMG83Z7) [**Reebok Womens Hipster Panties Underwear Stretch Tag-Free Waistband 5 Pack Size Medium Black/Steel Grey/Light Rose/Lilac/Dusty Rose**Reebok**$21.79**4.7★**▲ 44%**](https://www.amazon.com/dp/B0F9R1FX2H) [**POKARLA Womens Cotton Stretch Underwear Ladies Mid-high Waisted Briefs Panties 5-Pack(Medium)**POKARLA**$24.21**4.6★**▲ 43%**](https://www.amazon.com/dp/B09HV7887P)
**~~View all trending →~~**
## **What buyers say about running underwear for women**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Comfort-Overall**28%
*“Comfortable to wear”*
**Size-Overall**20%
*“Fit as expected”*
**Soft Feel**9%
*“soft cotton”*
**Quality-Overall**8%
*“Excellent Quality Product”*
**Value For Money**4%
*“Great value”*
**Material Quality**4%
*“lightweight material”*
**Color**3%
*“Colors are very pretty”*
**Breathability**3%
*“Allows my skin to breathe”*
**Stretchability/Expandability/Elasticity**2%
*“good stretch”*
**Advertised Vs Actual Product**2%
*“As described”*
### **What buyers complain about **
**Size-Overall**24%
*“Large for size”*
**Stretchability/Expandability/Elasticity**6%
*“Very little stretch”*
**Quality-Overall**6%
*“Low quality”*
**Material Quality**6%
*“not comfy material”*
**Comfort-Overall**4%
*“Not comfortable”*
**Durability**4%
*“Falling apart”*
**Thickness**3%
*“These are thinner material”*
**Stitch/Finish/Polish**2%
*“Bad seams”*
**Advertised Vs Actual Product**2%
*“False Advertising”*
**Color**2%
*“Colors not as shown”*
### **Top return reasons **
**Size-Overall**51%
**Waist Fit**10%
**Material Quality**10%
**Thigh Fit**5%
**Advertised Vs Actual Product**4%
**Shape/Style**2%
**Length**2%
**Thin**2%
**Comfort-Overall**2%
**Quality-Overall**1%
## **Common questions**
- **Is running underwear for women profitable to sell on Amazon United States?**
- The niche generates $182K/yr across 261 tracked products. 10 of 28 products launched in the last 360 days are still selling. 90-day search growth is +1.4%. Flapen's verdict: Worth a look (51/100).
- **How competitive is the running underwear for women niche?**
- 46 brands and 150 sellers compete. The top 5 products take 11% of clicks and top 5 brands hold 75% of demand.
- **What do buyers complain about in running underwear for women?**
- Top complaints mined from reviews: Size-Overall, Stretchability/Expandability/Elasticity, Quality-Overall. The return rate is 2.9%.
- **When does demand for running underwear for women peak?**
- Demand peaks in Aug; the busiest month runs 3.1× the quietest.
- **What does it cost to enter the running underwear for women niche?**
- Listings span $8.39–$43.35; the average listing price is $22.38 (sweet spot $15–$100). The average incumbent carries 13,310 reviews — the moat a new listing must climb.
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