---
title: "Sloggi Mens Underwear — £84K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/fashion/sloggi-mens-underwear"
last_updated: "2026-07-31T12:28:41.737Z"
locale: en
meta:
  description: "Niche score 57/100 · £84K/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 · £84K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Sloggi Mens Underwear — £84K/yr Amazon UK Niche (2026) - Flapen"
---

# **sloggi mens underwear**

**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 21Growth 46Conversion 17Competition 96Returns 100Price range 77Avg price 81Brand share 53Review moat 23Quality gap 62

**Returns**

**Incredible****0.1%**

return rate — above 5% kills the launch gate

**Competition**

**Incredible****16%**

top-5 click share — an open shelf

**Avg price**

**Great****£17.26**

avg listing price — sweet spot $15–$100

**Price range**

**Great****£6.91–£43.80**

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

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Brand share**

**Good****73%**

top-5 brand share — brands hold most of the demand

**Growth**

**Okay****+17.0%**

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

**Review moat**

**Bad****8,223.52**

avg incumbent reviews — the moat a new listing must climb

**Market size**

**Bad****£84K**

£84K/yr · 349K searches

**Conversion**

**Bad****1.4%**

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

According to Flapen's Amazon United Kingdom niche tracking, sloggi mens underwear is a £84K/yr Amazon United Kingdom market (349K searches/yr). The top 5 brands hold 73% of demand. Demand peaks in Nov–Dec. Verdict: Worth a look — 57/100.

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

## **sloggi mens underwear market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**5K–6K**</dd><dd>avg 0–100/product</dd>

<dt>**Revenue / yr**</dt><dd>**£86K–£104K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**1.4%**</dd>

<dt>**Avg BSR**</dt><dd>**#103**</dd>

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

<dt>**Prime**</dt><dd>**93%**</dd>

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

<dt>**Out of stock**</dt><dd>**4.0%**</dd>

<dt>**Avg brand age**</dt><dd>**54 months**</dd>

<dt>**Avg seller age**</dt><dd>**178 days**</dd>

</dl>

## **Competition & brand share**

Clicks spread well past the top 5 (16% combined) — an open shelf where new products get seen.

**Brands**

**31 **▼falling

**Sellers**

**60**

**Top-5 brand share**

**73%**

Top 20: 95%

**Top-5 click share**

**16%**

Top 20: 41%

**Open market**

**24%**

- Calvin Klein46% - Sloggi15% - INNERSY6% - Undercover4% - Jockey3% - Casey Kevin2%

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — +17.0% search growth over the last 90 days.

10K6KSpike '24Holiday '24Spike '25Prime Day '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Nov, Dec · busiest ÷ quietest = 1.6×

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

## **Top sloggi mens underwear search terms**

- **calvin klein briefs mens**82K/yr+18.6%2.0% conv. - **sloggi mens underwear**44K/yr+8.8%1.3% conv. - **mens tanga briefs**25K/yr+26.3%0.1% conv. - **mens y fronts underwear**26K/yr+8.5%1.4% conv. - **y fronts for men**25K/yr+1.0%1.5% conv. - **mens bikini briefs**13K/yr+43.4%0.1% conv. - **calvin klein briefs**19K/yr+9.3%1.7% conv. - **mens white briefs**11K/yr+72.1%0.7% conv. - **mens bamboo briefs**8K/yr+101.9%0.3% conv. - **mens calvin klein briefs**12K/yr+13.7%1.3% conv. [**All search terms **](https://flapen.com/research/uk/fashion/sloggi-mens-underwear/search-terms)

## **Top sloggi mens underwear 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%£2K4%£3K6%£5K8%£7K1101001K10K100K 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![Calvin Klein Brief 3-Pack - medium](https://m.media-amazon.com/images/I/41OfTOPVnpL.jpg)**Calvin Klein Brief 3-Pack - medium**Calvin Klein**£20.93**4.6★23,798 rev](https://www.amazon.co.uk/dp/B001VG6S7Q) [2![Calvin Klein Men 3P Hip Brief Black (Black With Black Wb Xwb) XS](https://m.media-amazon.com/images/I/41LWjwjZBJL.jpg)**Calvin Klein Men 3P Hip Brief Black (Black With Black Wb Xwb) XS**Calvin Klein**£20.02**4.6★23,798 rev](https://www.amazon.co.uk/dp/B07QQ1QTB3) [3![Undercover lingerie Mens Cotton Y Fronts 6 Pack Blues M](https://m.media-amazon.com/images/I/41qeekX12GL.jpg)**Undercover lingerie Mens Cotton Y Fronts 6 Pack Blues M**Undercover**£12.50**4.1★998 rev](https://www.amazon.co.uk/dp/B00KYQWNYG) [4![Calvin Klein Mens Hip Briefs Black W. Black Wb L](https://m.media-amazon.com/images/I/41LWjwjZBJL.jpg)**Calvin Klein Mens Hip Briefs Black W. Black Wb L**Calvin Klein**£21.54**4.6★23,798 rev](https://www.amazon.co.uk/dp/B077BCPSML) [5![Calvin Klein Mens Hip Briefs Black/White/Grey Heather M](https://m.media-amazon.com/images/I/41dI1VF5VOL.jpg)**Calvin Klein Mens Hip Briefs Black/White/Grey Heather M**Calvin Klein**£21.66**4.6★23,798 rev](https://www.amazon.co.uk/dp/B001BRW4C8)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Casey Kevin Mens Underwear Briefs Multipack Cotton Underpants Low Rise Pouch Underwear Soft Slips Tagless Boxer Briefs Pack of 3 Black White Grey XL](https://m.media-amazon.com/images/I/41FT9aXK9mL.jpg)**Casey Kevin Mens Underwear Briefs Multipack Cotton Underpants Low Rise Pouch Underwear Soft Slips Tagless Boxer Briefs Pack of 3 Black White Grey XL**Casey Kevin**£15.35**26 rev11mo ago](https://www.amazon.co.uk/dp/B0FMK4XTQK) [![Calvin Klein Mens 5 Pack Hipster Briefs with Logo Waistband Black (Black Bodies W/Black/Light Cast/Fe) L](https://m.media-amazon.com/images/I/41D-wkiWodL.jpg)**Calvin Klein Mens 5 Pack Hipster Briefs with Logo Waistband Black (Black Bodies W/Black/Light Cast/Fe) L**Calvin Klein**£43.80**4 rev1y ago](https://www.amazon.co.uk/dp/B0FDBLSWX6) [![moodies Mens Black Y Fronts Interlock Briefs 100% Cotton Underwear Traditional Brief Y-Front Underpants Pack Of 3 (UK Alpha L Regular Regular Black)](https://m.media-amazon.com/images/I/31CosGT13AL.jpg)**moodies Mens Black Y Fronts Interlock Briefs 100% Cotton Underwear Traditional Brief Y-Front Underpants Pack Of 3 (UK Alpha L Regular Regular Black)**moodies**£7.50**31 rev1y ago](https://www.amazon.co.uk/dp/B0F99Y8S7C) [![Calvin Klein Mens 3 Pack Balance Hipster Briefs with Logo Waistband Multicolor (Black/Wrapped Logo_Black/Regatta) S](https://m.media-amazon.com/images/I/41kXLZrJawL.jpg)**Calvin Klein Mens 3 Pack Balance Hipster Briefs with Logo Waistband Multicolor (Black/Wrapped Logo_Black/Regatta) S**Calvin Klein**£20.71**2,060 rev1y ago](https://www.amazon.co.uk/dp/B0DBGNKWLX) [![Calvin Klein Men 3P Hip Brief Black (Black With Black Wb Xwb) XS](https://m.media-amazon.com/images/I/41LWjwjZBJL.jpg)**Calvin Klein Men 3P Hip Brief Black (Black With Black Wb Xwb) XS**Calvin Klein**£20.02**23,798 rev2y ago](https://www.amazon.co.uk/dp/B07QQ1QTB3)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Calvin Klein Mens 3 Pack Trunks Black (Black W. Black Wb) XL](https://m.media-amazon.com/images/I/41V1cnHvulL.jpg)**Calvin Klein Mens 3 Pack Trunks Black (Black W. Black Wb) XL**Calvin Klein**£23.04**4.6★**▲ 57%**](https://www.amazon.co.uk/dp/B077BFKXMB) [![Casey Kevin Mens Underwear Briefs Multipack Cotton Underpants Low Rise Pouch Underwear Soft Slips Tagless Boxer Briefs Pack of 3 Black White Grey XL](https://m.media-amazon.com/images/I/41FT9aXK9mL.jpg)**Casey Kevin Mens Underwear Briefs Multipack Cotton Underpants Low Rise Pouch Underwear Soft Slips Tagless Boxer Briefs Pack of 3 Black White Grey XL**Casey Kevin**£15.35**4.2★**▲ 48%**](https://www.amazon.co.uk/dp/B0FMK4XTQK) [![Calvin Klein Mens Hip Briefs Black W. Black Wb XL](https://m.media-amazon.com/images/I/41LWjwjZBJL.jpg)**Calvin Klein Mens Hip Briefs Black W. Black Wb XL**Calvin Klein**£20.67**4.6★**▲ 45%**](https://www.amazon.co.uk/dp/B077BB6T7R) [![Calvin Klein Mens 3 Pack Low Rise Trunks Black (Black W. Black Wb) M](https://m.media-amazon.com/images/I/41MXrX-N2eL.jpg)**Calvin Klein Mens 3 Pack Low Rise Trunks Black (Black W. Black Wb) M**Calvin Klein**£22.22**4.4★**▲ 42%**](https://www.amazon.co.uk/dp/B077B63VMG) [![Calvin Klein Mens 3 Pack Balance Hipster Briefs with Logo Waistband Multicolor (Black/Wrapped Logo_Black/Regatta) S](https://m.media-amazon.com/images/I/41kXLZrJawL.jpg)**Calvin Klein Mens 3 Pack Balance Hipster Briefs with Logo Waistband Multicolor (Black/Wrapped Logo_Black/Regatta) S**Calvin Klein**£20.71**4.7★**▲ 31%**](https://www.amazon.co.uk/dp/B0DBGNKWLX)

**~~View all trending →~~**

## **What buyers say about sloggi mens underwear**

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

### **What buyers love **

**Comfort-Overall**21%

*“Really comfortable”*

**Size-Overall**18%

*“The fit is reasonably comfortable”*

**Quality-Overall**16%

*“Great quality excellent price arrived fast”*

**Value For Money**13%

*“Great value”*

**Material Quality**4%

*“the material is comfortable”*

**Advertised Vs Actual Product**3%

*“are as described”*

**Soft Feel**3%

*“Soft good quality cotton”*

**Color**2%

*“Nice colours”*

**Stretchability/Expandability/Elasticity**1%

*“nice and stretchy”*

**Weight Light**1%

*“lightweight”*

### **What buyers complain about **

**Size-Overall**26%

*“Too big”*

**Quality-Overall**11%

*“Not well made”*

**Material Quality**7%

*“uncomfortable scratchy material”*

**Comfort-Overall**3%

*“Waistband is not comfortable”*

**Value For Money**3%

*“expensive”*

**Advertised Vs Actual Product**3%

*“THe website says these have a fly front. They don;t IT IS A closed front”*

**Gap/Hole**3%

*“Holes in the underwear”*

**Stretchability/Expandability/Elasticity**3%

*“the elastic is beginning to fail”*

**Durability**3%

*“was worn and got torn almost immediately”*

**Shrinkage Resistance**1%

*“They shrink”*

## **Common questions**

<dl>

<dt>**Is sloggi mens underwear profitable to sell on Amazon United Kingdom?**</dt><dd>The niche generates £84K/yr across 147 tracked products. 0 of 13 products launched in the last 360 days are still selling. 90-day search growth is +17.0%. Flapen's verdict: Worth a look (57/100).</dd>

<dt>**How competitive is the sloggi mens underwear niche?**</dt><dd>31 brands and 60 sellers compete. The top 5 products take 16% of clicks and top 5 brands hold 73% of demand.</dd>

<dt>**What do buyers complain about in sloggi mens underwear?**</dt><dd>Top complaints mined from reviews: Size-Overall, Quality-Overall, Material Quality. The return rate is 0.1%.</dd>

<dt>**When does demand for sloggi mens underwear peak?**</dt><dd>Demand peaks in Nov–Dec; the busiest month runs 1.6× the quietest.</dd>

<dt>**What does it cost to enter the sloggi mens underwear niche?**</dt><dd>Listings span £6.91–£43.80; the average listing price is £17.26 (sweet spot $15–$100). The average incumbent carries 8,224 reviews — the moat a new listing must climb.</dd>

</dl>

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