thermal underwear mens
Skip itSoft demand (-77.4% this quarter) — this niche doesn't clear our bar today.
Competition
Incredible15%top-5 click share — an open shelf
Brand share
Incredible33%top-5 brand share — no brand owns this niche
Price range
Great£6.37–£50.52cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Avg price
Good£13.07avg listing price — sweet spot $15–$100
Returns
Good2.8%return rate — above 5% kills the launch gate
Review moat
Okay3,454.4avg incumbent reviews — the moat a new listing must climb
Market size
Okay£112K£112K/yr · 1.3M searches
Conversion
Bad0.7%search→purchase rate — share of searches ending in a sale
Growth
Bad-77.4%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, thermal underwear mens is a £112K/yr Amazon United Kingdom market (1.3M searches/yr). The top 5 brands hold 33% of demand. Demand peaks in Jan–Nov–Dec. Verdict: Skip it — 49/100.
Data updated Jul 23, 2026 · scored weekly · How we score niches
thermal underwear mens market data
- Units sold / yr
- 20K–25K
- avg 100–250/product
- Revenue / yr
- £261K–£327K
- units × avg price
- Conversion rate
- 0.7%
- Avg BSR
- #584
- Page quality
- 0%
- Prime
- 90%
- Sponsored
- 83%
- Out of stock
- 27.0%
- Avg brand age
- 45 months
- Avg seller age
- 174 days
Competition & brand share
Clicks spread well past the top 5 (15% combined) — an open shelf where new products get seen.Brands
59 rising
Sellers
100
Top-5 brand share
33%
Top 20: 78%
Top-5 click share
15%
Top 20: 40%
Open market
61%
- BENNIES8%
- wirarpa7%
- NOOYME7%
- Heatwave Thermalwear6%
- Niksa5%
- MOBIUSPHY5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -77.4% search growth over the last 90 days.Peak months: Jan, Nov, Dec · busiest ÷ quietest = 32.0×
Top thermal underwear mens search terms
- 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
Top thermal underwear mens 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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
BENNIES Thermal Underwear Mens Set Mens Thermals Top and Bottoms Long Sleeve Tops Long Johns Thermal Base Layer Thermals Mens Thermal Underwear T Shirt for Winter Ski Sports Black L
BENNIES£14.414.5★2,513 rev

Thermal Underwear Mens Set Mens Thermals Top and Bottoms Long Sleeve Tops Long Johns Thermal Base Layer Thermals Mens Thermal Underwear for Winter Ski Sports M
BENNIES£14.384.5★2,513 rev

Molten Creek Mens Thermal Underwear Set Extra Warm Thermal Top Bottom Long Johns Set Vests & Trousers for Winter Soft & Breathable (Black- Full Sleeve Set S)
Molten Creek£9.453.8★26 rev

Mens Thermal Underwear Set Thermal Underwear Men Winter Soft Functional Underwear Sleeve Top Long Johns Set Quick Dry Base Layer Sport Compression Suit for Workout Skiing Running Hiking Cycling XL
MOBIUSPHY£12.544.5★16,349 rev

Sillictor Mens Thermal Top Long Sleeve Quick Dry Cycling Running Base Layer Mens Ski Underlayer Fleece Compression Sports Hiking Football Training T Shirts High Wicking Muscle Support 3235 Black M
Sillictor£11.794.4★120 rev
Newest
by launch date
The Fancy Dress Mens Thermal Underwear Set Base Layer Vest Top Long Johns Set Ultra Soft Thermals Leggings For Winter Skiing Workout LS-Black-XXL
The Fancy Dress£6.963 rev

Runhit Mens Black Compression Long Sleeve T Shirt UPF 50+ Quick Dry Sport Base Layer Tops Mens Football Underlayer for Running Gym Cycling Golf Training M
Runhit£9.28104 rev

wirarpa Mens Thermal Underwear Set Long Johns Top & Bottom Dark Grey XL
wirarpa£15.35367 rev

wirarpa Womens Thermal Underwear Set Fleece Lined Top & Bottom Black S
wirarpa£14.13416 rev

wirarpa Mens Thermal Underwear Set Cotton Long Johns Base Layer Black S
wirarpa£14.39859 rev
Trending
90-day click momentum
The Fancy Dress Mens Thermal Underwear Set Base Layer Vest Top Long Johns Set Ultra Soft Thermals Leggings For Winter Skiing Workout LS-Black-XXL
The Fancy Dress£6.964.2★

Tigersay Compression Shirt Men Short Sleeve T-Shirt Base Layer Top with Quick Dry Performance for Gym Running Workout & Sports
Tigersay£13.134.4★

NOOYME Mens Thermal Underwear Mens Thermals Long Johns Compression Top Men & Mens Leggings Quick Dry Long Johns For Men Thermal Black-green
NOOYME£18.474.4★

Runhit Mens Black Compression Long Sleeve T Shirt UPF 50+ Quick Dry Sport Base Layer Tops Mens Football Underlayer for Running Gym Cycling Golf Training M
Runhit£9.284.6★

Molten Creek Mens Thermal Underwear Set Extra Warm Thermal Top Bottom Long Johns Set Vests & Trousers for Winter Soft & Breathable (Black- Full Sleeve Set S)
Molten Creek£9.453.8★
What buyers say about thermal underwear mens
What buyers praise and complain about, mined from review topics.What buyers love
“keep you warm”
“Amazing fit”
“Comfy and warm”
“Seems well made”
“Good Value”
“Lovely and soft”
“Lovely thick cozy socks”
“Perfect for the cold weather”
“Breathable material, easy to use”
“As described”
What buyers complain about
“Bit short”
“Rubbish, cheap and certainly dont fit purpose”
“not as thick as I thought”
“it wont keep you warm”
“nice colours however the material looked snagged”
“no fleece lining”
“Too thin”
“Not made that well the stitches are not good”
“Misleading”
“These are not going to be comfy over a long day even without walking”
Top return reasons
Common questions
- Is thermal underwear mens profitable to sell on Amazon United Kingdom?
- The niche generates £112K/yr across 156 tracked products. 0 of 32 products launched in the last 360 days are still selling. 90-day search growth is -77.4%. Flapen's verdict: Skip it (49/100).
- How competitive is the thermal underwear mens niche?
- 59 brands and 100 sellers compete. The top 5 products take 15% of clicks and top 5 brands hold 33% of demand.
- What do buyers complain about in thermal underwear mens?
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Thickness. The return rate is 2.8%.
- When does demand for thermal underwear mens peak?
- Demand peaks in Jan–Nov–Dec; the busiest month runs 32.0× the quietest.
- What does it cost to enter the thermal underwear mens niche?
- Listings span £6.37–£50.52; the average listing price is £13.07 (sweet spot $15–$100). The average incumbent carries 3,454 reviews — the moat a new listing must climb.