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Thermal Underwear Mens

Fail

Demand is soft, at -77.4% this quarter, so Thermal Underwear Mens is a Fail.

Flapen Score
49
49 / 100
Top 45% of 2,461 Fashion niches · +1 vs the category median of 48
Market size
£112K/yr1.3M searches / yr
90-day growth
-77.4%search demand this quarter
Competition
15%top-5 click share · 59 brands · 100 sellers

Flapen Score

Thermal Underwear Mens against its category

The dotted line is the Fashion average. Past it, Thermal Underwear Mens is stronger. Inside it, weaker.

49Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Thermal Underwear Mens market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Thermal Underwear Mens 1.3M times last year and spent an estimated £112K. The top 5 brands take 33% of clicks. Demand peaks in Jan–Nov–Dec. Flapen scores it 49 out of 100, a Fail.

01 · Demand

An estimated 0.7% of those searches ended in a purchase.

Shoppers searched for this 1.3M times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 0.7% of those searches ended in a purchase. Searches in the last 90 days moved -77.4% against the 90 days before. Searches, conversion and average price together put the market at an estimated £112K a year.

Searches, last 12 months
1.3M
Growth, 90 days vs prior 90
-77.4%
Conversion, latest week
0.7%
Market size, estimated
£112Ka year
Peak month
November32.0× the quietest month
Top search term
base layers men117K searches a year

02 · Price

A sale here is worth £13.07.

Listings sell for £13.07 on average, from £6.37 to £50.52. Amazon reports units sold in ranges. This niche sold 20K to 25K a year. The average listing sells 100 to 250 of them. At £13.07 that is £1K to £3K a year per listing.

Average price
£13.07under the $15 to $100 sweet spot
Price range
£6.37–£50.52
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
20K–25K
Units per listing a year
100–250
Revenue per listing a year
£1K–£3K
Returns
2.8%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is reviews.

83% of listings pay for placement with sponsored ads. 90% ship with Prime. On an average day, 27.0% of listings are out of stock. The average listing ranks #584 within Activewear. It carries 3,454 reviews at 4.36 stars, so a new listing needs social proof before a better product.

Sponsored listings
83%
Prime listings
90%
Out of stock, average day
27.0%
Average rank
#584in Activewear
Average rating
4.36 starsAmazon United Kingdom average 4.36 stars
Average reviews
3,454per listing
Listings tracked
156

04 · Newcomers

0 of last year's 32 launches cleared the first-year sales bar.

32 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 45 months on average, so the names here are settling in.

Launched, last 12 months
32
Successful launches
0Amazon's first-year sales bar
Average brand age
45 months

Products

Top Thermal Underwear Mens 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 23, 2026. The live listing can differ.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 15% of clicks, no more. An open shelf where new products get seen.

£0£2K£4K£7K£9K1101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

59 rising

Sellers

100

Est. top-5 brand share

33%

Top 20: 78%

Est. top-5 click share

15%

Top 20: 40%

Open market

61%

  • BENNIES8%
  • wirarpa7%
  • NOOYME7%
  • Heatwave Thermalwear6%
  • Niksa5%
  • MOBIUSPHY5%

Demand

Thermal Underwear Mens search demand

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

175K125KSpike '24Black Friday '24Holiday '24Spike '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jan, Nov, Dec · busiest ÷ quietest = 32.0×

Search terms

Top Thermal Underwear Mens search terms shoppers use

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

  • base layers men117K/yr
  • thermal116K/yr
  • base layer35K/yr
  • thermals93K/yr
  • thermal underwear mens98K/yr
  • thermals men100K/yr
  • mens thermal top59K/yr
  • mens thermal underwear72K/yr
  • thermals womens44K/yr
  • thermal top for men82K/yr

Reviews and returns

What reviews say buyers love and hate about Thermal Underwear Mens

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

26%of positive reviews mention “Warmth”
18%of negative reviews mention “Size-Overall”
2.8%of orders come back
“Bit short”
A buyer, on “Size-Overall”18% 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.

15 topics

NegativePositive

FAQ

Common Thermal Underwear Mens 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