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Knee Warmers

Fail

Demand is soft, at -53.9% this quarter, so Knee Warmers is a Fail.

Flapen Score
46
46 / 100
Ranks 9,041 of 14,768 Health & Household niches · −3 vs the category median of 49
Market size
$180K/yr223K searches / yr
90-day growth
-53.9%search demand this quarter
Competition
51%top-5 click share · 22 brands · 26 sellers

Flapen Score

Knee Warmers against its category

The dotted line is the Health & Household average. Past it, Knee Warmers is stronger. Inside it, weaker.

46Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Knee Warmers market on Amazon at a glance

Shoppers on Amazon United States searched for Knee Warmers 223K times last year and spent an estimated $180K. The top 5 brands take 72% of clicks. Demand peaks in Jan–Nov–Dec. Flapen scores it 46 out of 100, a Fail.

01 · Demand

An estimated 3.7% of those searches ended in a purchase.

Shoppers searched for this 223K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 3.7% of those searches ended in a purchase. Searches in the last 90 days moved -53.9% against the 90 days before. Searches, conversion and average price together put the market at an estimated $180K a year.

Searches, last 12 months
223K
Growth, 90 days vs prior 90
-53.9%
Conversion, latest week
3.7%
Market size, estimated
$180Ka year
Peak month
December7.6× the quietest month
Top search term
knee warmers97K searches a year

02 · Price

A sale here is worth $21.77.

Listings sell for $21.77 on average, from $9.64 to $56.28. Amazon reports units sold in ranges. This niche sold 8K to 10K a year. The average listing sells 250 to 500 of them. At $21.77 that is $5K to $11K a year per listing.

Average price
$21.77inside the $15 to $100 sweet spot
Price range
$9.64–$56.28
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
8K–10K
Units per listing a year
250–500
Revenue per listing a year
$5K–$11K
Returns
6.3%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is low.

90% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 4.2% of listings are out of stock. The average listing ranks #1,355 within Braces, Splints & Supports. It carries 696 reviews at 4.24 stars, so a new listing needs social proof before a better product.

Sponsored listings
90%
Prime listings
100%
Out of stock, average day
4.2%
Average rank
#1,355in Braces, Splints & Supports
Average rating
4.24 starsAmazon United States average 4.42 stars
Average reviews
696per listing
Listings tracked
30

04 · Newcomers

5 of last year's 8 launches cleared the first-year sales bar.

8 products launched here in the last 12 months. 5 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 47 months on average, so the names here are settling in.

Launched, last 12 months
8
Successful launches
5Amazon's first-year sales bar
Average brand age
47 months

Products

Top Knee Warmers products & what they sell for

The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.

Prices and ratings read from Amazon on Jul 14, 2026. The live listing can differ.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 51% of clicks. Leaders hold, but buyers still shop past them.

$0$7K$14K$22K$29K101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

22 rising

Sellers

26

Est. top-5 brand share

72%

Top 20: 98%

Est. top-5 click share

51%

Top 20: 90%

Open market

24%

  • Geyoga35%
  • JUMISEE15%
  • SENIOR ICARE13%
  • Telepepe5%
  • Faxianther4%
  • Holiberty4%

Demand

Knee Warmers search demand

Weekly searches over the year, seasonality beneath. Pick a range.

15K10KSpike '24Holiday '24Prime Day '25Spike '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jan, Nov, Dec · busiest ÷ quietest = 7.6×

Search terms

Top Knee Warmers search terms shoppers use

The exact words shoppers type, with estimated yearly volume, growth, and conversion.

  • knee warmers97K/yr
  • knee warmer36K/yr
  • knee warmers for arthritic knees34K/yr
  • knee warmers for women22K/yr
  • thermal knee warmers for arthritis7K/yr
  • knee warmers men11K/yr
  • thermal knee warmers8K/yr
  • wool knee warmers4K/yr
  • knee warmers for arthritis5K/yr

Reviews and returns

What reviews say buyers love and hate about Knee Warmers

We read the reviews and the return reasons for every product selling here.

12%of positive reviews mention “Joint Pain”
11%of negative reviews mention “Size-Overall”
6.3%of orders come back
“Ridiculously Small”
A buyer, on “Size-Overall”11% of negative reviews mention the same topic

Every topic

Every topic buyers talk about, one row each.

Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.

18 topics

NegativePositive

FAQ

Common Knee Warmers questions

Answered from the same tracked data.

Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data