Long Sleeve Undershirt Men
Skip itA small market ($15K/yr) — this niche doesn't clear our bar today.
Avg price
Great$20.28avg listing price — sweet spot $15–$100
Price range
Great$6.37–$95.00cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Great39%top-5 click share — an open shelf
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Brand share
Okay84%top-5 brand share — brands hold most of the demand
Returns
Okay4.5%return rate — above 5% kills the launch gate
Growth
Okay+2.3%90-day search growth — must beat 0% to launch
Review moat
Bad17,033.18avg incumbent reviews — the moat a new listing must climb
Conversion
Bad0.6%search→purchase rate — share of searches ending in a sale
Market size
Bad$15K$15K/yr · 127K searches
Is long sleeve undershirt men profitable on Amazon?
According to Flapen's Amazon United States niche tracking, long sleeve undershirt men is a $15K/yr Amazon United States market (127K searches/yr). The top 5 brands hold 84% of demand. Demand peaks in Oct–Nov–Dec. Verdict: Skip it — 38/100.
Data updated Jul 20, 2026 · scored weekly · How we score niches
long sleeve undershirt men market size & sales
Units sold, revenue, conversion and listing quality across the tracked shelf.- Units sold / yr
- 2K–3K
- avg 0–100/product
- Revenue / yr
- $41K–$51K
- units × avg price
- Conversion rate
- 0.6%
- Avg BSR
- #1,006
- Page quality
- 0%
- Prime
- 80%
- Sponsored
- 52%
- Out of stock
- 0.9%
- Avg brand age
- 43 months
- Avg seller age
- 151 days
Competition: brands, sellers & click share
Clicks spread well past the top 5 (39% combined) — an open shelf where new products get seen.Brands
18 flat
Sellers
67
Top-5 brand share
84%
Top 20: 100%
Top-5 click share
39%
Top 20: 77%
Open market
13%
- Jerzees63%
- Amazon Essentials8%
- EVERYDAY TEES6%
- HovSiyla5%
- Gildan3%
- Fresh Clean Threads2%
- Open — no brand owns it (12 brands, 13%)
long sleeve undershirt men demand & seasonality
Weekly Amazon search volume, last 104 weeks — +2.3% search growth over the last 90 days.Peak months: Oct, Nov, Dec · busiest ÷ quietest = 4.7×
Top long sleeve undershirt men search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.- jerzees t shirts for men22K/yr
- jerzees t shirts33K/yr
- jerzees19K/yr
- black long sleeve undershirt men13K/yr
- jerzees dri power t-shirts6K/yr
- plain black long sleeve shirt men4K/yr
- black longsleeve men4K/yr
- black long sleeve shirt mens4K/yr
- mens long sleeve black tshirt3K/yr
- black undershirts men long sleeve4K/yr
Top long sleeve undershirt men 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 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Jerzees Dri-Power Performance T Shirts Moisture Wicking with Odor Control Short or Long Sleeve Sizes S-3X - Short Sleeve - Athletic Heather Large
Jerzees$9.574.6★130 rev
Jerzees Mens Dri-Power Cotton Blend Long Sleeve Tees Moisture Wicking Odor Protection UPF 30+ Sizes S-3X Black Large
Jerzees$9.434.6★60,372 rev
Jerzees Adult 5.2 oz. Premium Blend Ring-Spun T-Shirt XL Military GRN HTH
Jerzees$8.304.5★487 rev
Jerzees Mens Taping T-Shirt Safety Green Medium
Jerzees$7.094.5★1,967 rev
Jerzees Mens Dri-Power Short Sleeve T-Shirt (Pocket & No Pocket-3 Pack-Black X-Large
Jerzees$18.714.6★231 rev
Newest
by launch date
Amazon Essentials Mens Slim Fit Crewneck Undershirts Pack of 6 Black Medium
Amazon Essentials$18.5848,794 rev
Amazon Essentials Mens Long Sleeve Super Soft Modal Undershirt Pack of 2 Black Medium
Amazon Essentials$15.21359 rev
Amazon Essentials Mens Long Sleeve Super Soft Modal Undershirt Pack of 2 Black Large
Amazon Essentials$15.21359 rev
Jerzees Dri-Power Performance T Shirts Moisture Wicking with Odor Control Short or Long Sleeve Sizes S-3X - Short Sleeve - Athletic Heather Large
Jerzees$9.57130 rev
Jerzees Dri-Power Performance T Shirts Moisture Wicking with Odor Control Short or Long Sleeve Sizes S-3X - Short Sleeve - Silver Large
Jerzees$6.47130 rev
Trending
90-day click momentumJerzees Mens Taping T-Shirt Safety Green Medium
Jerzees$7.094.5★
Black Mens Ultra Cotton Plain Crew Neck T-Shirts | All-Day Comfort Casual Tagless T-Shirt for Men | Size Large
Tahrr & Me$17.714.1★
EVERYDAY TEES Mens Heavy Cotton Tee (Pack of 12) Assorted Mixed Color Small to 5XL (US Alpha X-Large Regular Regular Bright Assortment)
EVERYDAY TEES$57.774.2★
Oversized Tshirts for Men Short Sleeve Vintage Washed Basic Loose Tees Solid Black L
ADOREJOY$9.964.5★
Jerzees Mens DRI-POWER Active Short Sleeve Crew T-Shirt JZ29MR XL Cool Mint
Jerzees$9.374.5★
What reviews say buyers love and hate about long sleeve undershirt men
What buyers praise and complain about, mined from review topics.What buyers love
“Not too tight”
“Quality Shirt”
“So comfortable”
“Good for price”
“Nice and soft”
“Good and comfortable material”
“Nice variety of colors”
“Nice and warm”
“As advertised”
“does not shrink”
What buyers complain about
“Too short”
“Low quality”
“Such horrible material”
“Length shrinks significantly”
“Very thin material”
“Very thin”
“Total waste of money”
“Ripped in less than a month”
“Don't go by the photos”
“One shirt had had defects in the seams around both sleeves”
Top return reasons
Common long sleeve undershirt men questions
- Is long sleeve undershirt men profitable to sell on Amazon United States?
- The niche generates $15K/yr across 50 tracked products. 2 of 10 products launched in the last 360 days are still selling. 90-day search growth is +2.3%. Flapen's verdict: Skip it (38/100).
- How competitive is the long sleeve undershirt men niche?
- 18 brands and 67 sellers compete. The top 5 products take 39% of clicks and top 5 brands hold 84% of demand.
- What do buyers complain about in long sleeve undershirt men?
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Material Quality. The return rate is 4.5%.
- When does demand for long sleeve undershirt men peak?
- Demand peaks in Oct–Nov–Dec; the busiest month runs 4.7× the quietest.
- What does it cost to enter the long sleeve undershirt men niche?
- Listings span $6.37–$95.00; the average listing price is $20.28 (sweet spot $15–$100). The average incumbent carries 17,033 reviews — the moat a new listing must climb.