---
title: "Mens Thermal Bottoms — $3K/mo Amazon US Product Research"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/mens-thermal-bottoms"
last_updated: "2026-08-12T10:04:22.902Z"
locale: en
meta:
description: "Amazon product research for mens thermal bottoms: $3K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for mens thermal bottoms: $3K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Mens Thermal Bottoms — $3K/mo Amazon US Product Research"
---
# **Mens Thermal Bottoms**
**Skip it**
Soft demand (-84.0% this quarter) — this niche doesn't clear our bar today.
Market size 8Growth 0Conversion 7Competition 80Returns 22Price range 87Avg price 95Brand share 39Review moat 22Quality gap 25
**Avg price**
**Incredible****$27.27**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$8.97–$71.01**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Great****35%**
top-5 click share — an open shelf
**Brand share**
**Okay****82%**
top-5 brand share — brands hold most of the demand
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Bad****8,971.2**
avg incumbent reviews — the moat a new listing must climb
**Returns**
**Bad****5.7%**
return rate — above 5% kills the launch gate
**Market size**
**Bad****$31K**
$31K/yr · 212K searches
**Conversion**
**Bad****0.5%**
search→purchase rate — share of searches ending in a sale
**Growth**
**Bad****-84.0%**
90-day search growth — must beat 0% to launch
**Signals**[** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%")
## **Is mens thermal bottoms profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, mens thermal bottoms is a $31K/yr Amazon United States market (212K searches/yr). The top 5 brands hold 82% of demand. Demand peaks in Jan–Feb–Nov–Dec. Verdict: Skip it — 33/100.
Data updated Jul 20, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **mens thermal bottoms market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **3K–3K**
- avg 0–100/product
- **Revenue / yr**
- **$68K–$82K**
- units × avg price
- **Conversion rate**
- **0.5%**
- **Avg BSR**
- **#124**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **72%**
- **Out of stock**
- **5.7%**
- **Avg brand age**
- **54 months**
- **Avg seller age**
- **157 days**
## **Competition: brands, sellers & click share**
Clicks spread well past the top 5 (35% combined) — an open shelf where new products get seen.
**Brands**
**18 **▲rising
**Sellers**
**56**
**Top-5 brand share**
**82%**
Top 20: 100%
**Top-5 click share**
**35%**
Top 20: 71%
**Open market**
**16%**
- Carhartt27% - WEERTI25% - Fruit of the Loom21% - TELALEO5% - JZCreater4% - MERIWOOL2% - Open — no brand owns it (12 brands, 16%)
## **mens thermal bottoms demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -84.0% search growth over the last 90 days.
18K13KSpike '24Holiday '24Spike '25Black Friday '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jan, Feb, Nov, Dec · busiest ÷ quietest = 21.4×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/mens-thermal-bottoms/trend)
## **Top mens thermal bottoms search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **pantalon termico**13K/yr-69.8%0.0% conv. - **base layer pants**10K/yr-73.8%1.0% conv. - **carhartt thermals for men**44K/yr-91.0%0.7% conv. - **carhartt base layer**14K/yr-81.8%0.9% conv. - **fruit of the loom long johns for men**10K/yr-84.9%0.6% conv. - **carhartt base layer men**14K/yr-86.8%0.2% conv. - **fruit of the loom thermal**9K/yr-81.0%0.2% conv. - **waffle long johns**8K/yr-78.5%0.3% conv. - **carhartt thermal**12K/yr-82.9%0.0% conv. - **base layer pants men**7K/yr-76.1%1.4% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/mens-thermal-bottoms/search-terms)
## **Top mens thermal bottoms products & what they sell for**
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%5%$2K10%$3K15%$5K20%$6K101001K10K100K 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**WEERTI**$27.82**4.6★13,949 rev](https://www.amazon.com/dp/B088JYX7YN) [2**Fruit of The Loom Mens Recycled Waffle Thermal Underwear Bottom Black Medium**Fruit of the Loom**$17.51**4.6★24,409 rev](https://www.amazon.com/dp/B08D2Q4NDZ) [3**Carhartt Mens Force Midweight Stretch Base Layer Pant Black Heather XX-Large**Carhartt**$22.08**4.6★51 rev](https://www.amazon.com/dp/B0F6WZ6374) [4**Carhartt Mens Force Midweight Stretch Base Layer Crewneck Black Heather X-Large**Carhartt**$25.77**5.0★29 rev](https://www.amazon.com/dp/B0F6VWZ5ZX) [5**WEERTI Thermal Underwear for Men Long Johns with Fleece Lined Base Layer Men Cold Weather Top Bottom-Black M**WEERTI**$27.89**4.6★13,949 rev](https://www.amazon.com/dp/B088K6XSJ1)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Fruit of The Loom Mens Recycled Waffle Thermal Underwear Bottom Black Medium**Fruit of the Loom**$17.51**24,409 rev9mo ago](https://www.amazon.com/dp/B08D2Q4NDZ) [**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 Set (Top and Bottom) Black Large**Fruit of the Loom**$28.80**5,471 rev9mo ago](https://www.amazon.com/dp/B08D34FJZH) [**Fruit of the Loom Mens Recycled Waffle Thermal Underwear Bottom Natural Medium**Fruit of the Loom**$18.62**24,409 rev9mo ago](https://www.amazon.com/dp/B08D1NSWNT) [**Fruit of The Loom Mens 2-Pack Recycled Waffle Thermal Underwear Bottom Black/Greystone Heather Medium**Fruit of the Loom**$28.63**24,409 rev9mo ago](https://www.amazon.com/dp/B08D2PP7KW)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Fruit of The Loom Mens 2-Pack Recycled Waffle Thermal Underwear Bottom Black/Greystone Heather Medium**Fruit of the Loom**$28.63**4.6★**▲ 645%**](https://www.amazon.com/dp/B08D2PP7KW) [**Fruit of The Loom Mens 3-Pack Recycled Waffle Thermal Underwear Bottom Black/Greystone Heather/Natural Large**Fruit of the Loom**$34.42**4.6★**▲ 587%**](https://www.amazon.com/dp/B08D2N8Q5X) [**TELALEO 5 Pack Mens Compression Pants for Workout Running Basketball Football-Sports Baselayer Leggings L**TELALEO**$23.50**4.7★**▲ 515%**](https://www.amazon.com/dp/B0BSGKT5L3) [**MERIWOOL Mens Base Layer 100% Merino Wool Thermal Pants Army Green**MERIWOOL**$59.85**4.7★**▲ 289%**](https://www.amazon.com/dp/B07K2F16FL) [**WEERTI Thermal Underwear for Men Long Johns with Fleece Lined Base Layer Men Cold Weather Top Bottom-Black L**WEERTI**$27.82**4.6★**▲ 262%**](https://www.amazon.com/dp/B088JYX7YN)
**~~View all trending →~~**
## **What reviews say buyers love and hate about mens thermal bottoms**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Warmth**21%
*“Comfortable and warm”*
**Size-Overall**18%
*“Fit as expected”*
**Quality-Overall**13%
*“well made”*
**Comfort-Overall**11%
*“These pants are super comfortable”*
**Value For Money**7%
*“Great Value for the money”*
**Soft Feel**4%
*“Soft and warm”*
**Durability**3%
*“Very durable”*
**Material Quality**2%
*“the material feels breathable”*
**Advertised Vs Actual Product**2%
*“As described”*
**Exercise/Sports Suitability**2%
*“Great for workouts”*
### **What buyers complain about **
**Size-Overall**24%
*“item runs large”*
**Material Quality**5%
*“The elasticity of the leggings material is really poor”*
**Thickness**4%
*“Not thick material”*
**Stitch/Finish/Polish**3%
*“Don't Buy: Poorly Stitched”*
**Quality-Overall**3%
*“Inferior quality”*
**Color**3%
*“Not the same as classic white set”*
**Warmth**3%
*“Would not recommend for warmth”*
**Comfort-Overall**2%
*“uncomfortable”*
**Product Condition**2%
*“Sent OPENED and WORN product”*
**Machine Wash Suitability**2%
*“Shrinkage, wash one time and you have to pull them I thru them a way”*
### **Top return reasons **
**Size-Overall**49%
**Waist Fit**9%
**Material Quality**5%
**Length**5%
**Advertised Vs Actual Product**3%
**Thin**3%
**Chest Fit**3%
**Thigh Fit**2%
**Warmth**2%
**Value For Money**2%
## **Common mens thermal bottoms questions**
- **Is mens thermal bottoms profitable to sell on Amazon United States?**
- The niche generates $31K/yr across 46 tracked products. 7 of 11 products launched in the last 360 days are still selling. 90-day search growth is -84.0%. Flapen's verdict: Skip it (33/100).
- **How competitive is the mens thermal bottoms niche?**
- 18 brands and 56 sellers compete. The top 5 products take 35% of clicks and top 5 brands hold 82% of demand.
- **What do buyers complain about in mens thermal bottoms?**
- Top complaints mined from reviews: Size-Overall, Material Quality, Thickness. The return rate is 5.7% — above our launch gate.
- **When does demand for mens thermal bottoms peak?**
- Demand peaks in Jan–Feb–Nov–Dec; the busiest month runs 21.4× the quietest.
- **What does it cost to enter the mens thermal bottoms niche?**
- Listings span $8.97–$71.01; the average listing price is $27.27 (sweet spot $15–$100). The average incumbent carries 8,971 reviews — the moat a new listing must climb.
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