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Knee Warmers

Fail

Demand is soft, at -67.2% this quarter, so Knee Warmers is a Fail.

Flapen Score
34
34 / 100
Ranks 2,218 of 2,461 Fashion niches · −14 vs the category median of 48
Market size
£13K/yr80K searches / yr
90-day growth
-67.2%search demand this quarter
Competition
65%top-5 click share · 17 brands · 32 sellers

Flapen Score

Knee Warmers against its category

The dotted line is the Fashion average. Past it, Knee Warmers is stronger. Inside it, weaker.

34Fail
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 Kingdom searched for Knee Warmers 80K times last year and spent an estimated £13K. The top 5 brands take 74% of clicks. Demand peaks in Jan–Oct–Nov–Dec. Flapen scores it 34 out of 100, a Fail.

01 · Demand

1.8% of searches ended in a purchase last week.

Shoppers searched for this 80K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. In the latest week, 1.8% of those searches ended in a purchase. Searches in the last 90 days moved -67.2% against the 90 days before. Searches, conversion and average price together put the market at an estimated £13K a year.

Searches, last 12 months
80K
Growth, 90 days vs prior 90
-67.2%
Conversion, latest week
1.8%
Market size, estimated
£13Ka year
Peak month
November15.1× the quietest month
Top search term
knee warmers31K searches a year

02 · Price

A sale here is worth £8.76.

Listings sell for £8.76 on average, from £3.73 to £23.53. Amazon reports units sold in ranges. This niche sold 3K to 3K a year. The average listing sells 0 to 100 of them. At £8.76 that is £0 to £876 a year per listing.

Average price
£8.76under the $15 to $100 sweet spot
Price range
£3.73–£23.53
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
3K–3K
Units per listing a year
0–100
Revenue per listing a year
£0–£876
Returns
2.8%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is low.

75% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 5.0% of listings are out of stock. The average listing ranks #311 within Sport Specific Clothing. It carries 1,380 reviews at 4.01 stars, so a new listing needs social proof before a better product.

Sponsored listings
75%
Prime listings
100%
Out of stock, average day
5.0%
Average rank
#311in Sport Specific Clothing
Average rating
4.01 starsAmazon United Kingdom average 4.36 stars
Average reviews
1,380per listing
Listings tracked
20

04 · Newcomers

Amazon counts 0 of last year's 4 launches as successful.

4 products launched here in the last 12 months. Amazon counts 0 of them as successful launches, new products that hit its first-year sales bar. The brands on the shelf have sold for 40 months on average, so the names here are settling in.

Launched, last 12 months
4
Successful launches
0Amazon's first-year sales bar
Average brand age
40 months

Products

Top Knee Warmers products & what they sell for

Every tracked product: its share of the shelf, its reviews, and its price.

Competition

Competition: brands, sellers & click share

The top 5 products take 65% of clicks. Leaders hold, but buyers still shop past them.

£0£1K£3K£4K£5K1101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

17 falling

Sellers

32

Top-5 brand share

74%

Top 20: 100%

Top-5 click share

65%

Top 20: 100%

Open market

21%

  • iNelihoo27%
  • AIDIER17%
  • Cysocool15%
  • LEHEEYWT8%
  • viiotu7%
  • AFDEAL5%

Demand

Knee Warmers search demand

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

6K4KSpike '24Black Friday '24Holiday '24Spike '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jan, Oct, Nov, Dec · busiest ÷ quietest = 15.1×

Search terms

Top Knee Warmers search terms shoppers use

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

  • knee warmers31K/yr
  • knee warmers for arthritis20K/yr
  • knee warmer10K/yr
  • thermal knee warmers6K/yr
  • knee warmers for women8K/yr
  • knee warmers men5K/yr

Reviews and returns

What reviews say buyers love and hate about Knee Warmers

What buyers praise, what they complain about and why they send it back, from the reviews.

Complain

Size-Overall21%−0.12

Sizing is not great

Very very short

Too short

Heating11%−0.12

when i used it could not get it tight engough to get the full heat effect which at the best of times was disappointing

Heat pads don't work

Pads don't heat up

Functionality-Overall11%−0.12

Dont stay up

Didnt work for me

Didn't work as intended

Joint Pain8%+0.64

Made my knee worst

Too tight for my knee unfortunately Not big enough

Not supporting the knee enough

Grip6%−0.06

Falls down all the time

Not sure what the grip bits made from

They also started to slip during a run

Love

Joint Pain15%+0.64

Helps so much with knee pain

Knee pain relief

Great pain relief for my knee

Support-Overall15%+1.23

Decent support given

comfortable support

Good support

Comfort-Overall14%+0.53

Comfortable and supportive

comfortable to use

Comfortable to wear

Quality-Overall12%+0.46

Decent quality

They look good in the pics

Great support good quality and great feel

Size-Overall10%−0.12

True to size

Fits well

The fit is nice and tight

Return

2.8% Return rate 82% Fixable by listing

Size-Overall76%▇▇▇▇█▇

Sizing is not great

Very very short

Too short

Joint Pain6%▄▄█▇▆▆

Made my knee worst

Too tight for my knee unfortunately Not big enough

Not supporting the knee enough

Heating2%▆█▄▄▃▃

when i used it could not get it tight engough to get the full heat effect which at the best of times was disappointing

Heat pads don't work

Pads don't heat up

Comfort-Overall2%█▅▅▆█▅
Functionality-Overall2%█▆▅▆▃▆

Dont stay up

Didnt work for me

Didn't work as intended

FAQ

Common Knee Warmers questions

Answered from the same tracked data.