---
title: "Mens Briefs — £133K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/fashion/mens-briefs"
last_updated: "2026-07-31T23:24:59.780Z"
locale: en
meta:
description: "Niche score 57/100 · £133K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 57/100 · £133K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Mens Briefs — £133K/yr Amazon UK Niche (2026) - Flapen"
---
# **mens briefs**
**Worth a look**
Shows low returns (0.1%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 30Growth 36Conversion 13Competition 93Returns 100Price range 61Avg price 75Brand share 79Review moat 23Quality gap 63
**Returns**
**Incredible****0.1%**
return rate — above 5% kills the launch gate
**Competition**
**Great****22%**
top-5 click share — an open shelf
**Brand share**
**Great****56%**
top-5 brand share — no brand owns this niche
**Avg price**
**Great****£15.07**
avg listing price — sweet spot $15–$100
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Price range**
**Good****£6.95–£27.50**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Growth**
**Okay****+8.9%**
90-day search growth — must beat 0% to launch
**Market size**
**Okay****£133K**
£133K/yr · 822K searches
**Review moat**
**Bad****7,871.66**
avg incumbent reviews — the moat a new listing must climb
**Conversion**
**Bad****1.1%**
search→purchase rate — share of searches ending in a sale
**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 briefs is a £133K/yr Amazon United Kingdom market (822K searches/yr). The top 5 brands hold 56% of demand. Demand peaks in Dec. Verdict: Worth a look — 57/100.
Data updated Jul 23, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **mens briefs market data**
- **Units sold / yr**
- **8K–10K**
- avg 0–100/product
- **Revenue / yr**
- **£121K–£151K**
- units × avg price
- **Conversion rate**
- **1.1%**
- **Avg BSR**
- **#56**
- **Page quality**
- **0%**
- **Prime**
- **94%**
- **Sponsored**
- **91%**
- **Out of stock**
- **1.1%**
- **Avg brand age**
- **52 months**
- **Avg seller age**
- **174 days**
## **Competition & brand share**
Clicks spread well past the top 5 (22% combined) — an open shelf where new products get seen.
**Brands**
**29 **▼falling
**Sellers**
**40**
**Top-5 brand share**
**56%**
Top 20: 94%
**Top-5 click share**
**22%**
Top 20: 55%
**Open market**
**38%**
- wirarpa16% - Calvin Klein14% - FALARY12% - FM London8% - INNERSY7% - HAGOT6%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +8.9% search growth over the last 90 days.
25K15KSpike '24Black Friday '24Prime Day '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Dec · busiest ÷ quietest = 1.6×
[**Open Trend **](https://flapen.com/research/uk/fashion/mens-briefs/trend)
## **Top mens briefs search terms**
- **mens briefs**315K/yr+9.7%0.7% conv. - **mens underwear briefs**159K/yr+7.9%0.5% conv. - **mens briefs multipack**63K/yr+12.8%1.2% conv. - **briefs men**53K/yr+2.2%0.8% conv. - **jockey underwear for men**41K/yr+22.6%0.2% conv. - **briefs**39K/yr-9.4%0.2% conv. - **mens briefs underwear**34K/yr+6.6%0.8% conv. - **men briefs**20K/yr+5.9%0.7% conv. - **mens cotton briefs**12K/yr+32.0%0.7% conv. - **men underwear briefs**10K/yr+7.9%0.9% conv. [**All search terms **](https://flapen.com/research/uk/fashion/mens-briefs/search-terms)
## **Top mens briefs 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%£3K4%£5K6%£8K8%£11K101001K10K100K 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**wirarpa Mens Black Modal Briefs Underwear Super Soft Microfibre Underpants No Front Slips Covered Waistband 4 Pack Large**wirarpa**£13.94**4.6★26,534 rev](https://www.amazon.co.uk/dp/B07J5CWZ6G) [2**FM London 7-pack Essentials Mens Briefs - Tagless Cotton Rich Modern Mens Underpants with Anti-roll elasticated Waistband Multicolour L**FM London**£14.88**4.0★747 rev](https://www.amazon.co.uk/dp/B0DVT9N4HX) [3**YESWEL Bamboo Underwear Men Pack of 4 Anti Chafing Briefs Mens Soft Wide Waistband Pants with No Fly No Itchy Labels Underpants (4x Black L)**YESWEL**£11.39**4.3★39 rev](https://www.amazon.co.uk/dp/B0GT48BPFY) [4**Amazon Essentials Mens Breathable Cotton Boxer Brief Pants Tag-Free Pack of 5 Black XL**Amazon Essentials**£8.19**4.3★35,722 rev](https://www.amazon.co.uk/dp/B0FVLJ8ZR7) [5**wirarpa Mens Black Modal Briefs Underwear Super Soft Microfibre Underpants No Front Slips Covered Waistband 4 Pack Medium**wirarpa**£14.20**4.6★26,534 rev](https://www.amazon.co.uk/dp/B07J66FNMC)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Amazon Essentials Mens Breathable Cotton Boxer Brief Pants Tag-Free Pack of 5 Black XL**Amazon Essentials**£8.19**35,722 rev2mo ago](https://www.amazon.co.uk/dp/B0FVLJ8ZR7) [**YESWEL Bamboo Underwear Men Pack of 4 Anti Chafing Briefs Mens Soft Wide Waistband Pants with No Fly No Itchy Labels Underpants (4x Black L)**YESWEL**£11.39**39 rev4mo ago](https://www.amazon.co.uk/dp/B0GT48BPFY) [**HAGOT 6 Pack Mens Modal Briefs Underwear Mens Stretch Briefs Soft and Comfortable Underpants Multipack Multicolor**HAGOT**£10.36**656 rev11mo ago](https://www.amazon.co.uk/dp/B0FMKHTS2W) [**FALARY Mens Briefs Underwear for Men Slips Cotton Support Underwear Multipack of 6 Underpants UK Briefs Size XL Anti Chafing Underpants with No Itchy Labels for Leg Day Mens Gift**FALARY**£11.51**969 rev11mo ago](https://www.amazon.co.uk/dp/B0FC6J3LG1) [**HAGOT 6 Pack Mens Modal Briefs Underwear Mens Stretch Briefs Soft and Comfortable Underpants Multipack Multicolor**HAGOT**£10.40**656 rev11mo ago](https://www.amazon.co.uk/dp/B0FL7YQWK4)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**YESWEL Bamboo Underwear Men Pack of 4 Anti Chafing Briefs Mens Soft Wide Waistband Pants with No Fly No Itchy Labels Underpants (4x Black L)**YESWEL**£11.39**4.3★**▲ 58%**](https://www.amazon.co.uk/dp/B0GT48BPFY) [**Amazon Essentials Mens Breathable Cotton Boxer Brief Pants Tag-Free Pack of 5 Black XL**Amazon Essentials**£8.19**4.3★**▲ 58%**](https://www.amazon.co.uk/dp/B0FVLJ8ZR7) [**FALARY Mens Briefs Multipack Underwear Black Mens Briefs Slips Size S Cotton Underpants for Men UK Elastic Waistband Mens Underwear with No-Front Open Pouch for Sports Outwork Leg Day**FALARY**£12.95**4.3★**▲ 57%**](https://www.amazon.co.uk/dp/B0FC6F45QX) [**HAGOT 6 Pack Mens Modal Briefs Underwear Mens Stretch Briefs Soft and Comfortable Underpants Multipack Multicolor**HAGOT**£10.36**4.3★**▲ 55%**](https://www.amazon.co.uk/dp/B0FMKHTS2W) [**HAGOT 6 Pack Mens Modal Briefs Underwear Mens Stretch Briefs Soft and Comfortable Underpants Multipack Multicolor**HAGOT**£10.40**4.3★**▲ 53%**](https://www.amazon.co.uk/dp/B0FL7YQWK4)
**~~View all trending →~~**
## **What buyers say about mens briefs**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Comfort-Overall**26%
*“Really comfortable”*
**Size-Overall**20%
*“Brilliant fit”*
**Quality-Overall**15%
*“Good quality, delivered on time and informed through all stages”*
**Value For Money**10%
*“Great value”*
**Material Quality**5%
*“smooth material”*
**Soft Feel**4%
*“Nice and soft”*
**Advertised Vs Actual Product**3%
*“As advertised”*
**Stretchability/Expandability/Elasticity**1%
*“slightly elastic”*
**Washability**1%
*“The are great quality, compy and wash well”*
**Weight Light**1%
*“feels light on the skin”*
### **What buyers complain about **
**Size-Overall**32%
*“Too big”*
**Quality-Overall**12%
*“Not well made”*
**Material Quality**6%
*“Material quite flimsy”*
**Stretchability/Expandability/Elasticity**4%
*“some of the elastic came out”*
**Comfort-Overall**3%
*“Waistband is not comfortable”*
**Thickness**2%
*“They're not the thickest material”*
**Waist Fit**2%
*“Their sizing suggested I needed a large for a 31-32 inch waist which I ordered”*
**Advertised Vs Actual Product**2%
*“nothing like as advertised”*
**Value For Money**2%
*“At £4/piece this set is a bit on the pricy side for what it is”*
**Gap/Hole**2%
*“Some have holes in them after a matter of days and weeks and some last years”*
## **Common questions**
- **Is mens briefs profitable to sell on Amazon United Kingdom?**
- The niche generates £133K/yr across 95 tracked products. 1 of 18 products launched in the last 360 days are still selling. 90-day search growth is +8.9%. Flapen's verdict: Worth a look (57/100).
- **How competitive is the mens briefs niche?**
- 29 brands and 40 sellers compete. The top 5 products take 22% of clicks and top 5 brands hold 56% of demand.
- **What do buyers complain about in mens briefs?**
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Material Quality. The return rate is 0.1%.
- **When does demand for mens briefs peak?**
- Demand peaks in Dec; the busiest month runs 1.6× the quietest.
- **What does it cost to enter the mens briefs niche?**
- Listings span £6.95–£27.50; the average listing price is £15.07 (sweet spot $15–$100). The average incumbent carries 7,872 reviews — the moat a new listing must climb.
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