---
title: "Black Knee High Socks — $147K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/black-knee-high-socks"
last_updated: "2026-08-10T13:27:08.909Z"
locale: en
meta:
description: "Niche score 40/100 · $147K/yr market · 196K searches/yr · $10.73 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 40/100 · $147K/yr market · 196K searches/yr · $10.73 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Black Knee High Socks — $147K/yr Amazon US Niche (2026) - Flapen"
---
# **black knee high socks**
**Skip it**
Prices mostly outside the sweet spot ($5.75–$16.03) — this niche doesn't clear our bar today.
Market size 32Growth 13Conversion 75Competition 61Returns 32Price range 10Avg price 39Brand share 51Review moat 33Quality gap 47
**Conversion**
**Great****7.0%**
search→purchase rate — share of searches ending in a sale
**Competition**
**Good****49%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Good****75%**
top-5 brand share — brands hold most of the demand
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Okay****$10.73**
avg listing price — sweet spot $15–$100
**Review moat**
**Okay****3,210.26**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Okay****$147K**
$147K/yr · 196K searches
**Returns**
**Okay****4.4%**
return rate — above 5% kills the launch gate
**Growth**
**Bad****-23.0%**
90-day search growth — must beat 0% to launch
**Price range**
**Bad****$5.75–$16.03**
cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United States niche tracking, black knee high socks is a $147K/yr Amazon United States market (196K searches/yr). The top 5 brands hold 75% of demand. Demand peaks in Oct–Nov. Verdict: Skip it — 40/100.
Data updated Jul 14, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **black knee high socks market data**
- **Units sold / yr**
- **15K–20K**
- avg 250–500/product
- **Revenue / yr**
- **$161K–$215K**
- units × avg price
- **Conversion rate**
- **7.0%**
- **Avg BSR**
- **#2,633**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **0.2%**
- **Avg brand age**
- **47 months**
- **Avg seller age**
- **159 days**
## **Competition & brand share**
The top 5 products take 49% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**18 **▼falling
**Sellers**
**22**
**Top-5 brand share**
**75%**
Top 20: 100%
**Top-5 click share**
**49%**
Top 20: 91%
**Open market**
**21%**
- COTTON DAY28% - Olreco16% - Sarfel15% - Century Star8% - Amazon Essentials7% - Moon Wood4%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -23.0% search growth over the last 90 days.
15K10KSpike '24Spike '25 seasonSepDecMarJunAugNovMarMay
Peak months: Oct, Nov · busiest ÷ quietest = 5.7×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/black-knee-high-socks/trend)
## **Top black knee high socks search terms**
- **black knee high socks**104K/yr-19.6%5.4% conv. - **knee high black socks**27K/yr-7.2%6.3% conv. - **black knee socks**16K/yr-9.6%4.9% conv. - **black knee high socks for women**13K/yr-38.8%5.0% conv. - **knee high socks black**7K/yr-1.4%5.5% conv. - **black knee socks women**8K/yr-52.8%7.2% conv. - **womens black knee high socks**7K/yr-61.6%6.4% conv. - **knee high black socks women**6K/yr-36.7%7.8% conv. - **black socks knee high**4K/yr-17.5%3.8% conv. - **womens black knee socks**4K/yr-52.8%7.7% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/black-knee-high-socks/search-terms)
## **Top black knee high socks 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%4%$6K8%$12K12%$18K16%$24K101001K10K100K 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**Sarfel Womens Knee High Socks Black Knee High Socks for Women Knee High Black Socks Long Socks for Women Knee Socks for Women**Sarfel**$9.97**4.6★423 rev](https://www.amazon.com/dp/B0DFMPJWSJ) [2**COTTON DAY Womens Soft Combed Cotton Knee High Long Calf Dress Socks Seamless Toe Shoe Size 9-11 Black**COTTON DAY**$15.61**4.6★4,382 rev](https://www.amazon.com/dp/B0B5H19C4K) [3**COTTON DAY Womens Soft Combed Cotton Knee High Long Calf Dress Socks Seamless Toe Shoe Size 6-9 Black**COTTON DAY**$15.60**4.6★4,382 rev](https://www.amazon.com/dp/B0B5H2JKSJ) [4**Olreco Black Knee High Socks for Women Knee High Black Socks for Women Long Sock Halloween Sock Womens Halloween Costumes Woman**Olreco**$7.35**4.4★62 rev](https://www.amazon.com/dp/B0FRGKHNSN) [5**Century Star Black Knee High Long Socks -Thin Athletic Sports Thigh Calf High Socks for Women Boots**Century Star**$6.88**4.5★3,593 rev](https://www.amazon.com/dp/B09BF97KFW)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Sarfel Black Knee High Socks for Women Black Long Socks for Women Knee Highs for Womens Dark Fairy Accessories Halloween Sock**Sarfel**$8.28**88 rev9mo ago](https://www.amazon.com/dp/B0FS2C3CJB) [**Olreco Black Knee High Socks for Women Knee High Black Socks for Women Long Sock Halloween Sock Womens Halloween Costumes Woman**Olreco**$7.35**62 rev10mo ago](https://www.amazon.com/dp/B0FRGKHNSN) [**COTTON DAY Womens Cotton Thigh High Over Knee Socks Extra Long Boot Stockings Leg Warmers Black Shoe Size 6-9 S/M**COTTON DAY**$8.80**60 rev10mo ago](https://www.amazon.com/dp/B0G6FQ7R8C) [**yeabwps 3Pairs Knee High Socks for Women Stretchy Thigh High Stocking Long white Knee High Sock for Casual Outdoor Cosplay**yeabwps**$5.97**26 rev1y ago](https://www.amazon.com/dp/B0F9PNLCB9) [**Olreco Black Knee High Socks for Women Knee High Black Socks Womens Long Sock for Women Knee Sock Womens Halloween Accessories**Olreco**$9.11**245 rev1y ago](https://www.amazon.com/dp/B0DFXYRCR8)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**COTTON DAY Womens Cotton Thigh High Over Knee Socks Extra Long Boot Stockings Leg Warmers Black Shoe Size 6-9 S/M**COTTON DAY**$8.80**4.3★**▲ 166%**](https://www.amazon.com/dp/B0G6FQ7R8C) [**COTTON DAY Kids Girls Knee High School Dress Socks Seamless Toe 3 Pack 8-10 Years Black L (10)**COTTON DAY**$13.13**4.7★**▲ 142%**](https://www.amazon.com/dp/B07MTCFGC9) [**Amazon Essentials Womens Comfortable Cotton Knee High Socks 4 Pairs Black/Grey 6-9**Amazon Essentials**$11.73**4.4★**▲ 131%**](https://www.amazon.com/dp/B0B5SF4FGK) [**Olreco Black Knee High Socks for Women Knee High Black Socks for Women Long Sock Halloween Sock Womens Halloween Costumes Woman**Olreco**$7.35**4.4★**▲ 113%**](https://www.amazon.com/dp/B0FRGKHNSN) [**Century Star Knee High Socks for Women - Black and White Striped Long Thin Soccer Sports Socks Tall Stockings**Century Star**$6.74**4.5★**▲ 109%**](https://www.amazon.com/dp/B092D938WL)
**~~View all trending →~~**
## **What buyers say about black knee high socks**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Comfort-Overall**14%
*“So Comfortable”*
**Warmth**13%
*“help to keep me warm”*
**Size-Overall**13%
*“Not too tight just perfect”*
**Quality-Overall**12%
*“Looks well made”*
**Soft Feel**7%
*“Very soft and comfortable socks”*
**Advertised Vs Actual Product**4%
*“Product as advertised”*
**Value For Money**4%
*“Good for the price”*
**Thickness**3%
*“Great socks of light to medium thickness”*
**Material Quality**3%
*“Soft material”*
**Length**2%
*“Great length”*
### **What buyers complain about **
**Size-Overall**19%
*“Runs way small”*
**Thickness**9%
*“Thick”*
**Thigh Fit**8%
*“very tight and these are NOT thigh highs”*
**Quality-Overall**6%
*“Cheap”*
**Material Quality**4%
*“The material is thin, rough and after one use they get holes in them”*
**Gap/Hole**3%
*“These are cheap socks got a hole in them almost right away”*
**Advertised Vs Actual Product**3%
*“The picture is deceiving”*
**Stretchability/Expandability/Elasticity**3%
*“Not very stretchy”*
**Comfort-Overall**2%
*“Not very comfortable”*
**Durability**2%
*“Do not last”*
### **Top return reasons **
**Size-Overall**25%
**Length**19%
**Feet Fit**9%
**Thigh Fit**8%
**Material Quality**8%
**Thin**6%
**Advertised Vs Actual Product**4%
**Thickness**4%
**Quality-Overall**2%
**Value For Money**2%
## **Common questions**
- **Is black knee high socks profitable to sell on Amazon United States?**
- The niche generates $147K/yr across 31 tracked products. 0 of 4 products launched in the last 360 days are still selling. 90-day search growth is -23.0%. Flapen's verdict: Skip it (40/100).
- **How competitive is the black knee high socks niche?**
- 18 brands and 22 sellers compete. The top 5 products take 49% of clicks and top 5 brands hold 75% of demand.
- **What do buyers complain about in black knee high socks?**
- Top complaints mined from reviews: Size-Overall, Thickness, Thigh Fit. The return rate is 4.4%.
- **When does demand for black knee high socks peak?**
- Demand peaks in Oct–Nov; the busiest month runs 5.7× the quietest.
- **What does it cost to enter the black knee high socks niche?**
- Listings span $5.75–$16.03; the average listing price is $10.73 (sweet spot $15–$100). The average incumbent carries 3,210 reviews — the moat a new listing must climb.
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