Mens Base Layer Pants
Skip itSoft demand (-81.7% this quarter) — this niche doesn't clear our bar today.
Avg price
Great$20.44avg listing price — sweet spot $15–$100
Price range
Great$8.90–$36.66cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Okay76%top-5 brand share — brands hold most of the demand
Competition
Okay59%top-5 click share — leaders hold, buyers still browse
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Review moat
Bad7,685.05avg incumbent reviews — the moat a new listing must climb
Returns
Bad5.5%return rate — above 5% kills the launch gate
Market size
Bad$64K$64K/yr · 280K searches
Conversion
Bad1.1%search→purchase rate — share of searches ending in a sale
Growth
Bad-81.7%90-day search growth — must beat 0% to launch
Is mens base layer pants profitable on Amazon?
According to Flapen's Amazon United States niche tracking, mens base layer pants is a $64K/yr Amazon United States market (280K searches/yr). The top 5 brands hold 76% of demand. Demand peaks in Jan–Feb–Nov–Dec. Verdict: Skip it — 29/100.
Data updated Jul 20, 2026 · scored weekly · How we score niches
mens base layer pants market size & sales
Units sold, revenue, conversion and listing quality across the tracked shelf.- Units sold / yr
- 4K–5K
- avg 0–100/product
- Revenue / yr
- $82K–$102K
- units × avg price
- Conversion rate
- 1.1%
- Avg BSR
- #123
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 73%
- Out of stock
- 6.9%
- Avg brand age
- 50 months
- Avg seller age
- 158 days
Competition: brands, sellers & click share
The top 5 products take 59% of clicks — established leaders, but buyers still shop beyond them.Brands
12 falling
Sellers
103
Top-5 brand share
76%
Top 20: 100%
Top-5 click share
59%
Top 20: 97%
Open market
17%
- WEERTI32%
- JZCreater14%
- Fruit of the Loom14%
- Runhit8%
- TELALEO8%
- Carhartt7%
- Open — no brand owns it (6 brands, 17%)
mens base layer pants demand & seasonality
Weekly Amazon search volume, last 104 weeks — -81.7% search growth over the last 90 days.Peak months: Jan, Feb, Nov, Dec · busiest ÷ quietest = 33.9×
Top mens base layer pants search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.- mens base layer pants68K/yr
- pantalones trmicos para hombre32K/yr
- mens thermal leggings23K/yr
- thermal pants for men cold weather19K/yr
- thermal mens leggings7K/yr
- long john pants for men13K/yr
- thermal underwear pants for men14K/yr
- base layer pants men7K/yr
- thermal underwear bottoms for men10K/yr
- thermal leggings men10K/yr
Top mens base layer pants 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.
All 22 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
WEERTI Thermal Underwear for Men Long Johns with Fleece Lined Base Layer Men Cold Weather Top Bottom-Black L
WEERTI$27.824.6★13,949 rev
1 or 3 Pack Mens Long Johns Thermal Pants Fleece Lined Lightweight Base Layer Bottoms Compression Leggings Winter Gear
JZCreater$20.664.5★332 rev
Fruit of The Loom Mens Recycled Waffle Thermal Underwear Bottom Black Medium
Fruit of the Loom$17.514.6★24,409 rev
TELALEO 5 Pack Mens Compression Pants for Workout Running Basketball Football-Sports Baselayer Leggings M
TELALEO$23.504.7★2,207 rev
Carhartt Mens Force Midweight Stretch Base Layer Pant Black Heather XX-Large
Carhartt$22.084.6★51 rev
Newest
by launch dateFruit of The Loom Mens Recycled Waffle Thermal Underwear Bottom Black Medium
Fruit of the Loom$17.5124,409 rev
Fruit of The Loom Mens Recycled Waffle Thermal Underwear Bottom Black Large
Fruit of the Loom$18.6224,409 rev
Fruit of The Loom Mens 2-Pack Recycled Waffle Thermal Underwear Bottom Black/Greystone Heather Medium
Fruit of the Loom$28.6324,409 rev
Fruit of the Loom Mens Recycled Waffle Thermal Underwear Bottom Natural Medium
Fruit of the Loom$18.6224,409 rev
Fruit of The Loom Mens Recycled Waffle Thermal Underwear Bottom Greystone Heather Small
Fruit of the Loom$15.2524,409 rev
Trending
90-day click momentumFruit of The Loom Mens 2-Pack Recycled Waffle Thermal Underwear Bottom Black/Greystone Heather Medium
Fruit of the Loom$28.634.6★
32 Degrees Mens 2-Pack Performance Lightweight Thermal Baselayer Legging Pant Black/Black X-Large
32 Degrees$17.774.6★
Carhartt Mens Force Midweight Stretch Base Layer Pant Black Heather XX-Large
Carhartt$22.084.6★
Blueleaf Mens Thermal Compression Pants Fleece Lined Athletic Running Tights Leggings Cold Weather Sports Base Layer Bottoms Winter Gear Black XL
Blueleaf$15.244.6★
Fruit of the Loom Mens Recycled Waffle Thermal Underwear Bottom Natural Medium
Fruit of the Loom$18.624.6★
What reviews say buyers love and hate about mens base layer pants
What buyers praise and complain about, mined from review topics.What buyers love
“Keep warm”
“Fits as expected”
“well made”
“Extremely comfortable”
“Great Value for the money”
“Material is soft”
“The appearance is as shown in the image”
“Good for 20°+ weather with no wind their ok”
“the material feels breathable”
“Great for the gym”
What buyers complain about
“Run big”
“A lot thicker”
“They feel like cheap leggings”
“Uncomfortable”
“Not as warm as expected”
“Don't Buy: Poorly Stitched”
“Do not fit well, waist”
“Go for any color other than black if you're going to get some”
“wont last more than 1 season”
“Very inconvenient”
Top return reasons
Common mens base layer pants questions
- Is mens base layer pants profitable to sell on Amazon United States?
- The niche generates $64K/yr across 22 tracked products. 4 of 8 products launched in the last 360 days are still selling. 90-day search growth is -81.7%. Flapen's verdict: Skip it (29/100).
- How competitive is the mens base layer pants niche?
- 12 brands and 103 sellers compete. The top 5 products take 59% of clicks and top 5 brands hold 76% of demand.
- What do buyers complain about in mens base layer pants?
- Top complaints mined from reviews: Size-Overall, Thickness, Material Quality. The return rate is 5.5% — above our launch gate.
- When does demand for mens base layer pants peak?
- Demand peaks in Jan–Feb–Nov–Dec; the busiest month runs 33.9× the quietest.
- What does it cost to enter the mens base layer pants niche?
- Listings span $8.90–$36.66; the average listing price is $20.44 (sweet spot $15–$100). The average incumbent carries 7,685 reviews — the moat a new listing must climb.