---
title: "Mens Thermal Leggings — £9K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/fashion/mens-thermal-leggings"
last_updated: "2026-07-31T17:53:37.894Z"
locale: en
meta:
  description: "Niche score 45/100 · £9K/yr market · 148K searches/yr · £12.80 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 45/100 · £9K/yr market · 148K searches/yr · £12.80 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Mens Thermal Leggings — £9K/yr Amazon UK Niche (2026) - Flapen"
---

# **mens thermal leggings**

**Skip it**

Soft demand (-80.6% this quarter) — this niche doesn't clear our bar today.

Market size 2Growth 0Conversion 6Competition 96Returns 49Price range 84Avg price 57Brand share 85Review moat 25Quality gap 77

**Competition**

**Incredible****18%**

top-5 click share — an open shelf

**Brand share**

**Great****50%**

top-5 brand share — no brand owns this niche

**Price range**

**Great****£6.81–£65.78**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Quality gap**

**Great****4.3★**

avg incumbent rating — lower means beatable quality

**Avg price**

**Good****£12.80**

avg listing price — sweet spot $15–$100

**Returns**

**Okay****3.0%**

return rate — above 5% kills the launch gate

**Review moat**

**Bad****4,243.87**

avg incumbent reviews — the moat a new listing must climb

**Conversion**

**Bad****0.5%**

search→purchase rate — share of searches ending in a sale

**Market size**

**Bad****£9K**

£9K/yr · 148K searches

**Growth**

**Bad****-80.6%**

90-day search growth — must beat 0% to launch

**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=uk&signal=no_dominant_brand "Top brand's click share < 20%")

According to Flapen's Amazon United Kingdom niche tracking, mens thermal leggings is a £9K/yr Amazon United Kingdom market (148K searches/yr). The top 5 brands hold 50% of demand. Demand peaks in Jan–Feb–Oct–Nov–Dec. Verdict: Skip it — 45/100.

Data updated Jul 23, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **mens thermal leggings market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**3K–3K**</dd><dd>avg 0–100/product</dd>

<dt>**Revenue / yr**</dt><dd>**£32K–£38K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**0.5%**</dd>

<dt>**Avg BSR**</dt><dd>**#60**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**86%**</dd>

<dt>**Sponsored**</dt><dd>**81%**</dd>

<dt>**Out of stock**</dt><dd>**31.8%**</dd>

<dt>**Avg brand age**</dt><dd>**47 months**</dd>

<dt>**Avg seller age**</dt><dd>**185 days**</dd>

</dl>

## **Competition & brand share**

Clicks spread well past the top 5 (18% combined) — an open shelf where new products get seen.

**Brands**

**42 **▲rising

**Sellers**

**72**

**Top-5 brand share**

**50%**

Top 20: 86%

**Top-5 click share**

**18%**

Top 20: 48%

**Open market**

**45%**

- Runhit20% - Roadbox11% - Heatwave Thermalwear9% - wirarpa6% - BENNIES5% - BLOOM BLENDS4%

## **Demand & seasonality**

Weekly Amazon search volume, last 80 weeks — -80.6% search growth over the last 90 days.

30K20KSpike '25Black Friday '25Spike '26 seasonFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

Peak months: Jan, Feb, Oct, Nov, Dec · busiest ÷ quietest = 41.4×

[**Open Trend **](https://flapen.com/research/uk/fashion/mens-thermal-leggings/trend)

## **Top mens thermal leggings search terms**

- **mens thermal leggings**69K/yr-86.5%1.4% conv. - **thermal pants for men**17K/yr-65.2%1.3% conv. - **thermal pants**8K/yr-63.3%0.5% conv. - **men thermal leggings**11K/yr-75.0%0.4% conv. - **long johns for men cotton**11K/yr-80.7%1.0% conv. - **mens thermal bottoms**9K/yr-76.6%2.1% conv. - **thermal bottoms for men**10K/yr-84.4%1.6% conv. - **cotton long johns**5K/yr-61.6%0.4% conv. - **thermal bottoms**3K/yr-80.2%1.0% conv. - **thermal leggings men winter**3K/yr-92.8%2.7% conv. [**All search terms **](https://flapen.com/research/uk/fashion/mens-thermal-leggings/search-terms)

## **Top mens thermal leggings 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%2%£1784%£3566%£5348%£712101001K10K100K 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![Runhit Mens Running Leggings Sports Compression Tights Thermal Base Layer Pants Quick-Dry Trousers for Jogging Golf Yoga Training Black L](https://m.media-amazon.com/images/I/31bg-WNFOSL.jpg)**Runhit Mens Running Leggings Sports Compression Tights Thermal Base Layer Pants Quick-Dry Trousers for Jogging Golf Yoga Training Black L**Runhit**£7.36**4.6★98 rev](https://www.amazon.co.uk/dp/B0FRSK96XG) [2![Roadbox Mens Compression Pants Base Layer Tights Leggings for Workout Running (Black L)](https://m.media-amazon.com/images/I/31ypJJlMmTL.jpg)**Roadbox Mens Compression Pants Base Layer Tights Leggings for Workout Running (Black L)**Roadbox**£7.68**4.6★6,242 rev](https://www.amazon.co.uk/dp/B099RQMYLP) [3![Roadbox Mens Compression Pants Base Layer Tights Leggings for Workout Running (Black XL)](https://m.media-amazon.com/images/I/31ypJJlMmTL.jpg)**Roadbox Mens Compression Pants Base Layer Tights Leggings for Workout Running (Black XL)**Roadbox**£7.61**4.6★6,242 rev](https://www.amazon.co.uk/dp/B099RMKQ72) [4![Deck and Beach Pack of 2 Mens Thermal Long Johns Warm Base Layer Underwear Trousers Soft Cotton-Blend Comfort Fit (UK Alpha XL Regular Regular Black)](https://m.media-amazon.com/images/I/316Zu5EnbML.jpg)**Deck and Beach Pack of 2 Mens Thermal Long Johns Warm Base Layer Underwear Trousers Soft Cotton-Blend Comfort Fit (UK Alpha XL Regular Regular Black)**Deck and Beach**£8.69**4.0★22 rev](https://www.amazon.co.uk/dp/B0G35QTH3H) [5![Runhit Mens Running Leggings Gym Compression Pants Men Sports Tights Thermal Base Layer Trousers for Cycling Football Golf Yoga](https://m.media-amazon.com/images/I/3115Uwjw5qS.jpg)**Runhit Mens Running Leggings Gym Compression Pants Men Sports Tights Thermal Base Layer Trousers for Cycling Football Golf Yoga**Runhit**£14.96**4.5★12,021 rev](https://www.amazon.co.uk/dp/B08F3K5V32)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Deck and Beach Pack of 2 Mens Thermal Long Johns Warm Base Layer Underwear Trousers Soft Cotton-Blend Comfort Fit (UK Alpha XL Regular Regular Black)](https://m.media-amazon.com/images/I/316Zu5EnbML.jpg)**Deck and Beach Pack of 2 Mens Thermal Long Johns Warm Base Layer Underwear Trousers Soft Cotton-Blend Comfort Fit (UK Alpha XL Regular Regular Black)**Deck and Beach**£8.69**22 rev8mo ago](https://www.amazon.co.uk/dp/B0G35QTH3H) [![Deck and Beach Pack of 2 Mens Thermal Long Johns Warm Base Layer Underwear Trousers Soft Cotton-Blend Comfort Fit (UK Alpha L Regular Regular Black)](https://m.media-amazon.com/images/I/316Zu5EnbML.jpg)**Deck and Beach Pack of 2 Mens Thermal Long Johns Warm Base Layer Underwear Trousers Soft Cotton-Blend Comfort Fit (UK Alpha L Regular Regular Black)**Deck and Beach**£8.60**22 rev8mo ago](https://www.amazon.co.uk/dp/B0G35WXG32) [![Runhit Mens Running Leggings Sports Compression Tights Thermal Base Layer Pants Quick-Dry Trousers for Jogging Golf Yoga Training Black L](https://m.media-amazon.com/images/I/31bg-WNFOSL.jpg)**Runhit Mens Running Leggings Sports Compression Tights Thermal Base Layer Pants Quick-Dry Trousers for Jogging Golf Yoga Training Black L**Runhit**£7.36**98 rev9mo ago](https://www.amazon.co.uk/dp/B0FRSK96XG) [![Runhit Mens Running Leggings with Pockets Gym Compression Pants Sports Tights Thermal Base Layer Trousers for Jogging Golf Cycling Black M](https://m.media-amazon.com/images/I/3116GU1H7mL.jpg)**Runhit Mens Running Leggings with Pockets Gym Compression Pants Sports Tights Thermal Base Layer Trousers for Jogging Golf Cycling Black M**Runhit**£7.38**91 rev9mo ago](https://www.amazon.co.uk/dp/B0FRSL45X6) [![Runhit Mens Running Leggings Sports Compression Tights Thermal Base Layer Pants Quick-Dry Trousers for Jogging Golf Yoga Training Black XXL](https://m.media-amazon.com/images/I/31bg-WNFOSL.jpg)**Runhit Mens Running Leggings Sports Compression Tights Thermal Base Layer Pants Quick-Dry Trousers for Jogging Golf Yoga Training Black XXL**Runhit**£7.89**98 rev9mo ago](https://www.amazon.co.uk/dp/B0FRSJQ3VL)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![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)](https://m.media-amazon.com/images/I/315OfaRr7BL.jpg)**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**£9.45**3.8★**▲ 326%**](https://www.amazon.co.uk/dp/B0DJ8XJW22) [![Runhit Mens Running Leggings with Pockets Gym Compression Pants Sports Tights Thermal Base Layer Trousers for Jogging Golf Cycling Black M](https://m.media-amazon.com/images/I/3116GU1H7mL.jpg)**Runhit Mens Running Leggings with Pockets Gym Compression Pants Sports Tights Thermal Base Layer Trousers for Jogging Golf Cycling Black M**Runhit**£7.38**4.4★**▲ 320%**](https://www.amazon.co.uk/dp/B0FRSL45X6) [![wirarpa Mens Thermal Underwear Set Cotton Long Johns Base Layer Black S](https://m.media-amazon.com/images/I/31Mgc1-p7NL.jpg)**wirarpa Mens Thermal Underwear Set Cotton Long Johns Base Layer Black S**wirarpa**£14.39**4.4★**▲ 309%**](https://www.amazon.co.uk/dp/B0FL2B4QYJ) [![Runhit Mens Running Leggings with Pockets Gym Compression Pants Sports Tights Thermal Base Layer Trousers for Jogging Golf Cycling Black L](https://m.media-amazon.com/images/I/3116GU1H7mL.jpg)**Runhit Mens Running Leggings with Pockets Gym Compression Pants Sports Tights Thermal Base Layer Trousers for Jogging Golf Cycling Black L**Runhit**£8.06**4.4★**▲ 292%**](https://www.amazon.co.uk/dp/B0FRSKGVR2) [![Deck and Beach Pack of 2 Mens Thermal Long Johns Warm Base Layer Underwear Trousers Soft Cotton-Blend Comfort Fit (UK Alpha L Regular Regular Black)](https://m.media-amazon.com/images/I/316Zu5EnbML.jpg)**Deck and Beach Pack of 2 Mens Thermal Long Johns Warm Base Layer Underwear Trousers Soft Cotton-Blend Comfort Fit (UK Alpha L Regular Regular Black)**Deck and Beach**£8.60**4.0★**▲ 271%**](https://www.amazon.co.uk/dp/B0G35WXG32)

**~~View all trending →~~**

## **What buyers say about mens thermal leggings**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Warmth**25%

*“keep you warm”*

**Quality-Overall**16%

*“Nice quality leggings”*

**Comfort-Overall**14%

*“Really comfortable”*

**Size-Overall**14%

*“Brilliant fit”*

**Value For Money**8%

*“Good for price”*

**Advertised Vs Actual Product**3%

*“As described”*

**Weight Light**2%

*“Lightweight thermals”*

**Material Quality**2%

*“Material is good, breathable, stretchy and washes well”*

**Weather Proof**2%

*“Ideal for cold weather comfort good fit value for money”*

**Ease Of Use**2%

*“Good for use”*

### **What buyers complain about **

**Size-Overall**17%

*“Far too small”*

**Quality-Overall**13%

*“Poor quality”*

**Thickness**7%

*“Not as thick”*

**Thin**5%

*“A bit thin”*

**Durability**4%

*“Didn't last more than 1 year before splitting all down the back”*

**Advertised Vs Actual Product**4%

*“Not as described”*

**Ease Of Use**4%

*“Cant use it”*

**Water Resistance**2%

*“Not very waterproof”*

**Suitability Winter Weather**2%

*“Definitely not thermal or winter weight”*

**Stitch/Finish/Polish**2%

*“both pairs split down the seams after a week”*

### **Top return reasons **

**Size-Overall**48%

**Thin**5%

**Thigh Fit**5%

**Length**4%

**Stitch/Finish/Polish**4%

**Quality-Overall**4%

**Waist Fit**4%

**Material Quality**3%

**Advertised Vs Actual Product**3%

**Gap/Hole**3%

## **Common questions**

<dl>

<dt>**Is mens thermal leggings profitable to sell on Amazon United Kingdom?**</dt><dd>The niche generates £9K/yr across 116 tracked products. 0 of 36 products launched in the last 360 days are still selling. 90-day search growth is -80.6%. Flapen's verdict: Skip it (45/100).</dd>

<dt>**How competitive is the mens thermal leggings niche?**</dt><dd>42 brands and 72 sellers compete. The top 5 products take 18% of clicks and top 5 brands hold 50% of demand.</dd>

<dt>**What do buyers complain about in mens thermal leggings?**</dt><dd>Top complaints mined from reviews: Size-Overall, Quality-Overall, Thickness. The return rate is 3.0%.</dd>

<dt>**When does demand for mens thermal leggings peak?**</dt><dd>Demand peaks in Jan–Feb–Oct–Nov–Dec; the busiest month runs 41.4× the quietest.</dd>

<dt>**What does it cost to enter the mens thermal leggings niche?**</dt><dd>Listings span £6.81–£65.78; the average listing price is £12.80 (sweet spot $15–$100). The average incumbent carries 4,244 reviews — the moat a new listing must climb.</dd>

</dl>

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