---
title: "Grandad Shirts for Men — £25K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/fashion/grandad-shirts-for-men"
last_updated: "2026-07-31T15:17:12.449Z"
locale: en
meta:
description: "Niche score 54/100 · £25K/yr market · 219K searches/yr · £13.30 avg price. A small market ($25K/yr) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 54/100 · £25K/yr market · 219K searches/yr · £13.30 avg price. A small market ($25K/yr) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Grandad Shirts for Men — £25K/yr Amazon UK Niche (2026) - Flapen"
---
# **grandad shirts for men**
**Worth a look**
Shows demand growing +154.5% this quarter, but a small market ($25K/yr) keeps it on the watch list.
Market size 6Growth 96Conversion 11Competition 96Returns 23Price range 49Avg price 61Brand share 46Review moat 63Quality gap 78
**Growth**
**Incredible****+154.5%**
90-day search growth — must beat 0% to launch
**Competition**
**Incredible****16%**
top-5 click share — an open shelf
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Good****987.42**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Good****£13.30**
avg listing price — sweet spot $15–$100
**Price range**
**Okay****£7.22–£22.42**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Okay****78%**
top-5 brand share — brands hold most of the demand
**Returns**
**Bad****5.5%**
return rate — above 5% kills the launch gate
**Conversion**
**Bad****0.9%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Bad****£25K**
£25K/yr · 219K searches
**Signals**[** Trending**](https://flapen.com/research/niches?market=uk&signal=trending "Search growth > 100% (90d)") [** High Returns**](https://flapen.com/research/niches?market=uk&signal=high_returns "Return rate > 5%")
According to Flapen's Amazon United Kingdom niche tracking, grandad shirts for men is a £25K/yr Amazon United Kingdom market (219K searches/yr). The top 5 brands hold 78% of demand. Demand peaks in May–Jun–Jul–Aug. Verdict: Worth a look — 54/100.
Data updated Jul 23, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **grandad shirts for men market data**
- **Units sold / yr**
- **2K–2K**
- avg 0–100/product
- **Revenue / yr**
- **£20K–£27K**
- units × avg price
- **Conversion rate**
- **0.9%**
- **Avg BSR**
- **#124**
- **Page quality**
- **0%**
- **Prime**
- **99%**
- **Sponsored**
- **99%**
- **Out of stock**
- **3.1%**
- **Avg brand age**
- **37 months**
- **Avg seller age**
- **186 days**
## **Competition & brand share**
Clicks spread well past the top 5 (16% combined) — an open shelf where new products get seen.
**Brands**
**20 **▼falling
**Sellers**
**24**
**Top-5 brand share**
**78%**
Top 20: 100%
**Top-5 click share**
**16%**
Top 20: 44%
**Open market**
**17%**
- J.VER31% - siliteelon15% - Enlision13% - SEAYIJIA11% - COOFANDY8% - Runcati5% - Open — no brand owns it (14 brands, 17%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +154.5% search growth over the last 90 days.
13K8KSpike '25Prime Day '25Spike '26Prime Day '26 seasonSepDecMarJunAugNovMarMay
Peak months: May, Jun, Jul, Aug · busiest ÷ quietest = 3.6×
[**Open Trend **](https://flapen.com/research/uk/fashion/grandad-shirts-for-men/trend)
## **Top grandad shirts for men search terms**
- **mens linen shirt**33K/yr+247.0%0.3% conv. - **grandad shirts for men**45K/yr+32.7%0.3% conv. - **linen shirt men**18K/yr+342.5%0.3% conv. - **white linen shirts men**16K/yr+320.3%1.6% conv. - **grandad shirt**26K/yr+28.5%0.2% conv. - **linen shirts**13K/yr+188.3%0.3% conv. - **mens linen shirts short sleeve**12K/yr+323.0%0.3% conv. - **mens linen shirts long sleeve**11K/yr+135.7%0.5% conv. - **mens white linen shirt**9K/yr+218.0%1.0% conv. - **mens short sleeve linen shirts**8K/yr+177.7%0.2% conv. [**All search terms **](https://flapen.com/research/uk/fashion/grandad-shirts-for-men/search-terms)
## **Top grandad shirts for men 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%£5064%£1K6%£2K8%£2K101001K10K 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**SEAYIJIA Mens Linen Shirts Long Sleeve Cotton Linen Shirts with Pocket Casual Beach Shirt Regular Fit Summer Shirt White XL**SEAYIJIA**£11.53**3.5★93 rev](https://www.amazon.co.uk/dp/B0GCWNNFCV) [2**SEAYIJIA Mens Linen Shirts Long Sleeve Button Down Cotton Linen Beach Shirts Casual Summer Regular Fit Shirt White XL**SEAYIJIA**£11.08**4.1★82 rev](https://www.amazon.co.uk/dp/B0GCWT5ZX9) [3**J.VER Mens White Linen Cotton Shirts Long Sleeve Regular Fit Casual Solid Lightweight Summer Beach Shirt with Pocket L**J.VER**£13.90**4.3★516 rev](https://www.amazon.co.uk/dp/B0CQG7FLVP) [4**siliteelon Mens Shirts White Grandad Collar Long Sleeve Linen Shirts Regular Fit Banded Collar Summer Beach Shirt with Pocket Large**siliteelon**£14.27**4.4★586 rev](https://www.amazon.co.uk/dp/B0CG1VWRY4) [5**J.VER Mens Linen Shirts Short Sleeve Green Summer Beach Holiday Regular Fit Casual Button Down Shirt M**J.VER**£13.19**4.3★297 rev](https://www.amazon.co.uk/dp/B0F4JNS4T8)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**J.VER Linen Shirts Men Cotton Linen Long Sleeve Grandad Collar Summer Casual Banded Collar White Shirt Men Solid Beach Holiday Tops L**J.VER**£12.43**74 rev3mo ago](https://www.amazon.co.uk/dp/B0GWLXVV49) [**SEAYIJIA Mens Linen Shirts Long Sleeve Cotton Linen Shirts with Pocket Casual Beach Shirt Regular Fit Summer Shirt White XL**SEAYIJIA**£11.53**93 rev4mo ago](https://www.amazon.co.uk/dp/B0GCWNNFCV) [**SEAYIJIA Mens Linen Shirts Long Sleeve Button Down Cotton Linen Beach Shirts Casual Summer Regular Fit Shirt White XL**SEAYIJIA**£11.08**82 rev4mo ago](https://www.amazon.co.uk/dp/B0GCWT5ZX9) [**SEAYIJIA Mens Linen Shirts Short Sleeve Cotton Linen Shirts Casual Summer Shirt with Pocket Casual Beach Shirt White XL**SEAYIJIA**£11.09**89 rev4mo ago](https://www.amazon.co.uk/dp/B0GCW34CSS) [**J.VER Linen Shirts Men Short Sleeve Grandad Collar Collarless Summer Holiday Casual Regular Fit Button Down Shirt with Pocket Blue L**J.VER**£12.06**90 rev4mo ago](https://www.amazon.co.uk/dp/B0GK1Z68XR)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**J.VER Linen Shirts Men Cotton Linen Long Sleeve Grandad Collar Summer Casual Banded Collar White Shirt Men Solid Beach Holiday Tops L**J.VER**£12.43**4.4★**▲ 17%**](https://www.amazon.co.uk/dp/B0GWLXVV49) [**siliteelon Mens White Linen Shirt Long Sleeve Cotton Casual Regular Fit Adult Lightweight Beach Summer Tops with Pocket L**siliteelon**£13.45**4.4★**▲ 14%**](https://www.amazon.co.uk/dp/B0GJZ8SSGD) [**SEAYIJIA Mens Linen Shirts Long Sleeve Cotton Linen Shirts with Pocket Casual Beach Shirt Regular Fit Summer Shirt White XL**SEAYIJIA**£11.53**3.5★**▲ 14%**](https://www.amazon.co.uk/dp/B0GCWNNFCV) [**J.VER White Linen Shirts Men Long Sleeve Regular Fit Casual Summer Beach Cotton Henley Shirt with Pocket XL**J.VER**£11.91**4.5★**▲ 13%**](https://www.amazon.co.uk/dp/B0GJ45LGPH) [**J.VER Linen Shirts Men Short Sleeve Grandad Collar Collarless Summer Holiday Casual Regular Fit Button Down Shirt with Pocket Blue L**J.VER**£12.06**4.5★**▲ 13%**](https://www.amazon.co.uk/dp/B0GK1Z68XR)
**~~View all trending →~~**
## **What buyers say about grandad shirts for men**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**24%
*“true to size fit”*
**Quality-Overall**18%
*“Good Quality Shirt”*
**Value For Money**11%
*“Good price”*
**Comfort-Overall**7%
*“Very comfortable”*
**Material Quality**6%
*“The material is lovely and soft, making it perfect for the warmer weather”*
**Color**6%
*“Great colour”*
**Weight Light**4%
*“Nice lightweight top feels good for summer”*
**Warmth**2%
*“Ideal for those warm nights”*
**Advertised Vs Actual Product**2%
*“better than expected”*
**Soft Feel**2%
*“soft”*
### **What buyers complain about **
**Size-Overall**18%
*“Unfortunately the shirt was too small for me”*
**Material Quality**9%
*“CHEAP MATERIAL”*
**Quality-Overall**8%
*“Poor quality”*
**Thin**8%
*“oo thin. too thin”*
**Advertised Vs Actual Product**7%
*“Sadly doesnt look as picture”*
**Collar Quality**3%
*“disappointing collar”*
**Thickness**3%
*“a little thin”*
**Hard Feel**2%
*“so not soft like a polo short”*
**Stitch/Finish/Polish**2%
*“Poor stitching round the collar”*
**Transparency**2%
*“See through, rough and cheap looking”*
### **Top return reasons **
**Size-Overall**58%
**Material Quality**8%
**Color**5%
**Quality-Overall**4%
**Length**3%
**Shape/Style**3%
**Advertised Vs Actual Product**2%
**Sleeve Fit**2%
**Collar Quality**2%
**Chest Fit**2%
## **Common questions**
- **Is grandad shirts for men profitable to sell on Amazon United Kingdom?**
- The niche generates £25K/yr across 137 tracked products. 0 of 50 products launched in the last 360 days are still selling. 90-day search growth is +154.5%. Flapen's verdict: Worth a look (54/100).
- **How competitive is the grandad shirts for men niche?**
- 20 brands and 24 sellers compete. The top 5 products take 16% of clicks and top 5 brands hold 78% of demand.
- **What do buyers complain about in grandad shirts for men?**
- Top complaints mined from reviews: Size-Overall, Material Quality, Quality-Overall. The return rate is 5.5% — above our launch gate.
- **When does demand for grandad shirts for men peak?**
- Demand peaks in May–Jun–Jul–Aug; the busiest month runs 3.6× the quietest.
- **What does it cost to enter the grandad shirts for men niche?**
- Listings span £7.22–£22.42; the average listing price is £13.30 (sweet spot $15–$100). The average incumbent carries 987 reviews — the moat a new listing must climb.
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