---
title: "Thermal Shirts for Men — $286K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/thermal-shirts-for-men"
last_updated: "2026-08-06T03:46:11.722Z"
locale: en
meta:
  description: "Niche score 48/100 · $286K/yr market · 2.3M searches/yr · $23.79 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 48/100 · $286K/yr market · 2.3M searches/yr · $23.79 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Thermal Shirts for Men — $286K/yr Amazon US Niche (2026) - Flapen"
---

# **thermal shirts for men**

**Skip it**

Soft demand (-74.7% this quarter) — this niche doesn't clear our bar today.

Market size 50Growth 0Conversion 7Competition 90Returns 22Price range 86Avg price 95Brand share 90Review moat 24Quality gap 47

**Avg price**

**Incredible****$23.79**

avg listing price — sweet spot $15–$100

**Competition**

**Great****25%**

top-5 click share — an open shelf

**Brand share**

**Great****45%**

top-5 brand share — no brand owns this niche

**Price range**

**Great****$9.43–$58.82**

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

**Market size**

**Good****$286K**

$286K/yr · 2.3M searches

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Bad****6,351.72**

avg incumbent reviews — the moat a new listing must climb

**Returns**

**Bad****6.0%**

return rate — above 5% kills the launch gate

**Conversion**

**Bad****0.5%**

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

**Growth**

**Bad****-74.7%**

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

**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%") [** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%")

According to Flapen's Amazon United States niche tracking, thermal shirts for men is a $286K/yr Amazon United States market (2.3M searches/yr). The top 5 brands hold 45% of demand. Demand peaks in Jan–Nov–Dec. Verdict: Skip it — 48/100.

Data updated Jul 20, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **thermal shirts for men market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**20K–25K**</dd><dd>avg 100–250/product</dd>

<dt>**Revenue / yr**</dt><dd>**$476K–$595K**</dd><dd>units × avg price</dd>

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

<dt>**Avg BSR**</dt><dd>**#107**</dd>

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

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**92%**</dd>

<dt>**Out of stock**</dt><dd>**6.6%**</dd>

<dt>**Avg brand age**</dt><dd>**42 months**</dd>

<dt>**Avg seller age**</dt><dd>**147 days**</dd>

</dl>

## **Competition & brand share**

Clicks spread well past the top 5 (25% combined) — an open shelf where new products get seen.

**Brands**

**35 **▲rising

**Sellers**

**93**

**Top-5 brand share**

**45%**

Top 20: 89%

**Top-5 click share**

**25%**

Top 20: 57%

**Open market**

**48%**

- MAGCOMSEN11% - WEERTI10% - Ficerd8% - Fruit of the Loom8% - SIMIYA8% - Dalavch7%

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -74.7% search growth over the last 90 days.

225K175KSpike '24Holiday '24Spike '25Prime Day '25Holiday '25 seasonSepDecMarJunAugNovMarMay

Peak months: Jan, Nov, Dec · busiest ÷ quietest = 11.2×

[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/thermal-shirts-for-men/trend)

## **Top thermal shirts for men search terms**

- **thermal shirts for men**590K/yr-83.5%0.7% conv. - **mens thermal long sleeve shirt**339K/yr-78.3%0.7% conv. - **thermal long sleeve men**193K/yr-62.6%0.6% conv. - **thermal shirt**160K/yr-66.9%0.3% conv. - **white thermal long sleeve men**89K/yr-59.6%0.7% conv. - **long sleeve thermal shirt men**97K/yr-72.0%0.5% conv. - **thermal shirts**85K/yr-72.5%0.3% conv. - **thermal long sleeve**64K/yr-65.8%0.2% conv. - **men thermal long sleeve**79K/yr-67.0%0.5% conv. - **black thermal long sleeve men**58K/yr-68.4%0.5% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/thermal-shirts-for-men/search-terms)

## **Top thermal 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%3%$9K6%$17K9%$26K12%$34K101001K10K100K 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![WEERTI Thermal Underwear for Men Long Johns with Fleece Lined Base Layer Men Cold Weather Top Bottom-Black L](https://m.media-amazon.com/images/I/31ZDDg6KxBL.jpg)**WEERTI Thermal Underwear for Men Long Johns with Fleece Lined Base Layer Men Cold Weather Top Bottom-Black L**WEERTI**$27.82**4.6★13,949 rev](https://www.amazon.com/dp/B088JYX7YN) [2![Dalavch 5 Pack Mens Compression Shirts Long Sleeve Athletic Workout Sports Undershirt Base Layer Top for Winter 2 Black 1 White 1 Gray 1 Blue Large](https://m.media-amazon.com/images/I/4157Hw80CXL.jpg)**Dalavch 5 Pack Mens Compression Shirts Long Sleeve Athletic Workout Sports Undershirt Base Layer Top for Winter 2 Black 1 White 1 Gray 1 Blue Large**Dalavch**$26.51**4.6★2,496 rev](https://www.amazon.com/dp/B0CNVS9735) [3![SIMIYA Mens Thermals Long Sleeve Undershirt Warm Fleece Lined Base Layer Thermal Tops Long John Shirts for Men BK L Black](https://m.media-amazon.com/images/I/41l1fumERoL.jpg)**SIMIYA Mens Thermals Long Sleeve Undershirt Warm Fleece Lined Base Layer Thermal Tops Long John Shirts for Men BK L Black**SIMIYA**$12.10**4.4★201 rev](https://www.amazon.com/dp/B0CBTK9NXN) [4![MAGCOMSEN Black Thermal Long Sleeve Men Fleece Winter Base Layer Undershirts Dry Fit Gym Shirts Black L](https://m.media-amazon.com/images/I/313WCiDhxAL.jpg)**MAGCOMSEN Black Thermal Long Sleeve Men Fleece Winter Base Layer Undershirts Dry Fit Gym Shirts Black L**MAGCOMSEN**$15.84**4.6★442 rev](https://www.amazon.com/dp/B0CSYNSQ1Q) [5![Ficerd 3 Pack Mens Waffle Long Sleeve Shirts Crew Neck Thermal Underwear Tops Casual Pullover Sweaters Knit Undershirts(Black White Brown XXL)](https://m.media-amazon.com/images/I/51nA-SRmkbL.jpg)**Ficerd 3 Pack Mens Waffle Long Sleeve Shirts Crew Neck Thermal Underwear Tops Casual Pullover Sweaters Knit Undershirts(Black White Brown XXL)**Ficerd**$41.17**4.2★467 rev](https://www.amazon.com/dp/B0DPFWKB35)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Fruit of the Loom Mens Recycled Waffle Thermal Underwear Crew Top Natural Large](https://m.media-amazon.com/images/I/31qUtat-LPL.jpg)**Fruit of the Loom Mens Recycled Waffle Thermal Underwear Crew Top Natural Large**Fruit of the Loom**$17.00**14,183 rev9mo ago](https://www.amazon.com/dp/B08D2NVPCB) [![Fruit of the Loom Mens Recycled Waffle Thermal Underwear Crew Top (Pack of 1) Natural X-Large](https://m.media-amazon.com/images/I/31qUtat-LPL.jpg)**Fruit of the Loom Mens Recycled Waffle Thermal Underwear Crew Top (Pack of 1) Natural X-Large**Fruit of the Loom**$19.34**14,183 rev9mo ago](https://www.amazon.com/dp/B08D328GNH) [![Fruit of the Loom Mens Recycled Waffle Thermal Underwear Crew Top Black X-Large](https://m.media-amazon.com/images/I/31RBtZ8JPfL.jpg)**Fruit of the Loom Mens Recycled Waffle Thermal Underwear Crew Top Black X-Large**Fruit of the Loom**$19.18**14,183 rev9mo ago](https://www.amazon.com/dp/B08D337RVS) [![Fruit of the Loom Mens 2-Pack Recycled Waffle Thermal Underwear Crew Top Black/Navy Large](https://m.media-amazon.com/images/I/41qLTF8YCdL.jpg)**Fruit of the Loom Mens 2-Pack Recycled Waffle Thermal Underwear Crew Top Black/Navy Large**Fruit of the Loom**$26.90**14,183 rev9mo ago](https://www.amazon.com/dp/B08D2CVFHV) [![August Alley 3 Pack Mens Waffle Long Sleeve Shirts Crew Neck Thermal Textured Underwear Tops Lightweight Pullover Sweaters(Black White Gray X-Large)](https://m.media-amazon.com/images/I/512M39wLXyL.jpg)**August Alley 3 Pack Mens Waffle Long Sleeve Shirts Crew Neck Thermal Textured Underwear Tops Lightweight Pullover Sweaters(Black White Gray X-Large)**August Alley**$40.16**220 rev11mo ago](https://www.amazon.com/dp/B0FN3R57JS)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Goodthreads Mens Long-Sleeve Slub Thermal Pullover Hoodie Shirt -black X-Large](https://m.media-amazon.com/images/I/31UCGYrWbBL.jpg)**Goodthreads Mens Long-Sleeve Slub Thermal Pullover Hoodie Shirt -black X-Large**Amazon Essentials**$15.80**4.1★**▲ 292%**](https://www.amazon.com/dp/B07BKVHHLL) [![URRU Mens Thermal Shirts Long Sleeve Fleece Lined Base Layer Thermal Underwear Tops High Stretch Cold Weather Gear White XXL](https://m.media-amazon.com/images/I/311G6397x5L.jpg)**URRU Mens Thermal Shirts Long Sleeve Fleece Lined Base Layer Thermal Underwear Tops High Stretch Cold Weather Gear White XXL**URRU**$13.58**4.5★**▲ 263%**](https://www.amazon.com/dp/B0FG32KWYC) [![Comfneat Mens 3-Pack Thermal Undershirts Long Sleeve Base Layer (Black 3-Pack L)](https://m.media-amazon.com/images/I/31sUpKEd-LL.jpg)**Comfneat Mens 3-Pack Thermal Undershirts Long Sleeve Base Layer (Black 3-Pack L)**Comfneat**$27.64**4.7★**▲ 235%**](https://www.amazon.com/dp/B0DBTPSR6M) [![August Alley 3 Pack Mens Waffle Long Sleeve Shirts Crew Neck Thermal Textured Underwear Tops Lightweight Pullover Sweaters(Black White Gray X-Large)](https://m.media-amazon.com/images/I/512M39wLXyL.jpg)**August Alley 3 Pack Mens Waffle Long Sleeve Shirts Crew Neck Thermal Textured Underwear Tops Lightweight Pullover Sweaters(Black White Gray X-Large)**August Alley**$40.16**4.1★**▲ 232%**](https://www.amazon.com/dp/B0FN3R57JS) [![Fruit of the Loom Mens 2-Pack Recycled Waffle Thermal Underwear Crew Top Black/Navy Large](https://m.media-amazon.com/images/I/41qLTF8YCdL.jpg)**Fruit of the Loom Mens 2-Pack Recycled Waffle Thermal Underwear Crew Top Black/Navy Large**Fruit of the Loom**$26.90**4.3★**▲ 231%**](https://www.amazon.com/dp/B08D2CVFHV)

**~~View all trending →~~**

## **What buyers say about thermal shirts for men**

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

### **What buyers love **

**Size-Overall**21%

*“Fit like a glove”*

**Warmth**16%

*“Keep warm”*

**Quality-Overall**13%

*“Good quality and fresh”*

**Comfort-Overall**9%

*“Comfortable to wear”*

**Value For Money**7%

*“Great Value for the money”*

**Material Quality**4%

*“The material is so soft and good quality”*

**Soft Feel**3%

*“Material is soft”*

**Advertised Vs Actual Product**3%

*“As advertised”*

**Color**3%

*“Like the color”*

**Weight Light**2%

*“Cool and lightweight”*

### **What buyers complain about **

**Size-Overall**25%

*“To short”*

**Thickness**6%

*“the fabric feels thinner than anticipated”*

**Material Quality**3%

*“Horrible material”*

**Sleeve Fit**3%

*“Sleeves are longer”*

**Color**3%

*“NOT WHITE”*

**Smell**3%

*“the smell was awful”*

**Quality-Overall**2%

*“This is just a normal cheap shirt”*

**Advertised Vs Actual Product**2%

*“Deceptive Advertising”*

**Wrist Fit**2%

*“Ends do not wrap on wrists and legs”*

**Neck Fit**2%

*“The neck hole is huge”*

### **Top return reasons **

**Size-Overall**53%

**Material Quality**6%

**Chest Fit**6%

**Length**5%

**Sleeve Fit**4%

**Thin**3%

**Advertised Vs Actual Product**3%

**Waist Fit**3%

**Value For Money**2%

**Quality-Overall**2%

## **Common questions**

<dl>

<dt>**Is thermal shirts for men profitable to sell on Amazon United States?**</dt><dd>The niche generates $286K/yr across 75 tracked products. 5 of 12 products launched in the last 360 days are still selling. 90-day search growth is -74.7%. Flapen's verdict: Skip it (48/100).</dd>

<dt>**How competitive is the thermal shirts for men niche?**</dt><dd>35 brands and 93 sellers compete. The top 5 products take 25% of clicks and top 5 brands hold 45% of demand.</dd>

<dt>**What do buyers complain about in thermal shirts for men?**</dt><dd>Top complaints mined from reviews: Size-Overall, Thickness, Material Quality. The return rate is 6.0% — above our launch gate.</dd>

<dt>**When does demand for thermal shirts for men peak?**</dt><dd>Demand peaks in Jan–Nov–Dec; the busiest month runs 11.2× the quietest.</dd>

<dt>**What does it cost to enter the thermal shirts for men niche?**</dt><dd>Listings span $9.43–$58.82; the average listing price is $23.79 (sweet spot $15–$100). The average incumbent carries 6,352 reviews — the moat a new listing must climb.</dd>

</dl>

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