- Flapen Score
- 33 / 100Ranks 15,219 of 16,930 Clothing, Shoes & Jewelry niches · −12 vs the category median of 4533
- Market size
- $27K/yr100K searches / yr
- 90-day growth
- -71.8%search demand this quarter
- Competition
- 41%top-5 click share · 32 brands · 117 sellers
Flapen Score
Thermajohn against its category
The dotted line is the Clothing, Shoes & Jewelry average. Past it, Thermajohn is stronger. Inside it, weaker.
Market
The Thermajohn market on Amazon at a glance
Shoppers on Amazon United States searched for Thermajohn 100K times last year and spent an estimated $27K. The top 5 brands take 59% of clicks. Demand peaks in Jan–Feb–Nov–Dec. Flapen scores it 33 out of 100, a Fail.
01 · Demand
An estimated 0.6% of those searches ended in a purchase.
Shoppers searched for this 100K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 0.6% of those searches ended in a purchase. Searches in the last 90 days moved -71.8% against the 90 days before. Searches, conversion and average price together put the market at an estimated $27K a year.
- Searches, last 12 months
- 100K
- Growth, 90 days vs prior 90
- -71.8%
- Conversion, latest week
- 0.6%
- Market size, estimated
- $27Ka year
- Peak month
- January17.2× the quietest month
- Top search term
- motorcycle base layer7K searches a year
02 · Price
A sale here is worth $43.73.
Listings sell for $43.73 on average, from $8.49 to $278.82. Amazon reports units sold in ranges. This niche sold 1K to 1K a year. The average listing sells 0 to 100 of them. At $43.73 that is $0 to $4K a year per listing.
- Average price
- $43.73inside the $15 to $100 sweet spot
- Price range
- $8.49–$278.82
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 1K–1K
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$4K
- Returns
- 6.9%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
79% of listings pay for placement with sponsored ads. 90% ship with Prime. On an average day, 3.3% of listings are out of stock. The average listing ranks #3,608 within Thermal Underwear. It carries 6,974 reviews at 4.56 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 79%
- Prime listings
- 90%
- Out of stock, average day
- 3.3%
- Average rank
- #3,608in Thermal Underwear
- Average rating
- 4.56 starsAmazon United States average 4.42 stars
- Average reviews
- 6,974per listing
- Listings tracked
- 58
04 · Newcomers
4 of last year's 5 launches cleared the first-year sales bar.
5 products launched here in the last 12 months. 4 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 45 months on average, so the names here are settling in.
- Launched, last 12 months
- 5
- Successful launches
- 4Amazon's first-year sales bar
- Average brand age
- 45 months
Products
Top Thermajohn products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 14, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
WEERTI Thermal Underwear for Men Long Johns with Fleece Lined Base Layer Men Cold Weather Top Bottom-Black L
- Price
- $27.81
- Rating
- 4.5/5
- Reviews
- 13,922
- Age
- 6y ago

WEERTI Thermal Underwear for Women Long Johns with Fleece Lined Base Layer Women Cold Weather Top Bottom-Black M
- Price
- $26.43
- Rating
- 4.5/5
- Reviews
- 12,937
- Age
- 6y ago

CL convallaria Thermal Underwear for Men Long Johns Winter Hunting Gear Sport Base Layer Top and Bottom Set Midweight Black L
- Price
- $22.15
- Rating
- 4.6/5
- Reviews
- 11,805
- Age
- 5y ago

WEERTI Thermal Underwear for Men Long Johns with Fleece Lined Base Layer Men Cold Weather Top Bottom-Black M
- Price
- $27.86
- Rating
- 4.5/5
- Reviews
- 13,922
- Age
- 6y ago

Carhartt Mens Force Midweight Stretch Base Layer Crewneck Black Heather X-Large
- Price
- $25.84
- Rating
- 5.0/5
- Reviews
- 28
- Age
- 1y ago
Trending
estimated 90-day click momentum
KEMIMOTO Motorcycle Jacket Men with CE Armor ESA Rebound Material Breathable Motorcyce Mesh Jacket
- Price
- $79.29
- Rating
- 4.3/5
- Reviews
- 23
- Age
- 7mo ago

WOSAWE Mens Summer Motorcycle Pants CE Level Armor Pads Insert Motorbike Riding Elastic Slim Fit Biker Legging L Black
- Price
- $50.28
- Rating
- 4.7/5
- Reviews
- 22
- Age
- 1y ago

KEMIMOTO Motorcycle Mesh Armored Shirt for Men with CE1 Certified Protective Gear Breathable Soft for All Seasons Suitable for Motorcycling Riding Cycling Off-Road Sports
- Price
- $66.13
- Rating
- 4.3/5
- Reviews
- 28
- Age
- 4mo ago

Carhartt Mens Force Midweight Stretch Base Layer Crewneck Black Heather X-Large
- Price
- $25.84
- Rating
- 5.0/5
- Reviews
- 28
- Age
- 1y ago

KLIM Mens Tactical LS Shirt Long Sleeve Motorcycle Padded Compression Top - Size Large - Black
- Price
- $273.13
- Rating
- 5.0/5
- Reviews
- 5
- Age
- 2y ago
Newest
by launch date
KEMIMOTO Motorcycle Mesh Armored Shirt for Men with CE1 Certified Protective Gear Breathable Soft for All Seasons Suitable for Motorcycling Riding Cycling Off-Road Sports
- Price
- $66.13
- Rating
- 4.3/5
- Reviews
- 28
- Age
- 4mo ago

KEMIMOTO Motorcycle Jacket Men with CE Armor ESA Rebound Material Breathable Motorcyce Mesh Jacket
- Price
- $79.29
- Rating
- 4.3/5
- Reviews
- 23
- Age
- 7mo ago

Compression Shirts for Men - Long Sleeve Black Workout Base Layer Athletic Gym Tops Quick Dry Running Undershirts
- Price
- $8.49
- Rating
- 4.5/5
- Reviews
- 310
- Age
- 11mo ago

X-thud Breathable Mens Long Sleeve Base Layer Shirt - Quick Dry & Moisture Wicking for Sports Hiking Gym Black XL
- Price
- $9.99
- Rating
- 4.3/5
- Reviews
- 84
- Age
- 1y ago

Carhartt Mens Force Midweight Stretch Base Layer Crewneck Black Heather X-Large
- Price
- $25.84
- Rating
- 5.0/5
- Reviews
- 28
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 41% of clicks. Leaders hold, but buyers still shop past them.
Brands
32 rising
Sellers
117
Est. top-5 brand share
59%
Top 20: 91%
Est. top-5 click share
41%
Top 20: 70%
Open market
37%
- WEERTI30%
- CL convallaria12%
- Carhartt8%
- Cuddl Duds5%
- Merino.tech4%
- WICKED STOCK4%
Demand
Thermajohn search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jan, Feb, Nov, Dec · busiest ÷ quietest = 17.2×
Search terms
Top Thermajohn search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- motorcycle base layer7K/yr
- moisture wicking base layer8K/yr
- lightweight base layer men5K/yr
- hiking base layer men3K/yr
- hot chillys thermals womens11K/yr
- hot chilis thermals women10K/yr
- hunting base layer men16K/yr
- running base layer3K/yr
- warm base layer4K/yr
- base layer set4K/yr
Reviews and returns
What reviews say buyers love and hate about Thermajohn
We read the reviews and the return reasons for every product selling here.
“Too short”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
21 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Thermajohn questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









