3xl
Skip itWeak search conversion (0.5%) — this niche doesn't clear our bar today.
Competition
Incredible14%top-5 click share — an open shelf
Avg price
Great$18.35avg listing price — sweet spot $15–$100
Price range
Good$6.09–$39.74cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Good+29.7%90-day search growth — must beat 0% to launch
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Brand share
Okay85%top-5 brand share — brands hold most of the demand
Returns
Okay4.4%return rate — above 5% kills the launch gate
Review moat
Bad7,838.3avg incumbent reviews — the moat a new listing must climb
Market size
Bad$40K$40K/yr · 445K searches
Conversion
Bad0.5%search→purchase rate — share of searches ending in a sale
According to Flapen's Amazon United States niche tracking, 3xl is a $40K/yr Amazon United States market (445K searches/yr). The top 5 brands hold 85% of demand. Demand peaks in Jul. Verdict: Skip it — 44/100.
Data updated Jul 20, 2026 · scored weekly · How we score niches
3xl market data
- Units sold / yr
- 2K–3K
- avg 0–100/product
- Revenue / yr
- $37K–$46K
- units × avg price
- Conversion rate
- 0.5%
- Avg BSR
- #1,394
- Page quality
- 0%
- Prime
- 83%
- Sponsored
- 68%
- Out of stock
- 4.6%
- Avg brand age
- 44 months
- Avg seller age
- 139 days
Competition & brand share
Clicks spread well past the top 5 (14% combined) — an open shelf where new products get seen.Brands
29 rising
Sellers
87
Top-5 brand share
85%
Top 20: 98%
Top-5 click share
14%
Top 20: 34%
Open market
14%
- Reebok39%
- SPORT-TEK22%
- Liberty Imports11%
- Russell Athletic8%
- CQR4%
- Liberty Pro2%
- Open — no brand owns it (23 brands, 14%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +29.7% search growth over the last 90 days.Peak months: Jul · busiest ÷ quietest = 1.7×
Top 3xl search terms
- reebok t shirts for men46K/yr
- sport tek shirts for men41K/yr
- russell athletic60K/yr
- russell46K/yr
- liberty pro shirts for men32K/yr
- camiseta reebok para hombre27K/yr
- sport tek31K/yr
- camisetas reebok para hombres19K/yr
- sport-tek shirts24K/yr
- reebok shirt16K/yr
Top 3xl 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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
SPORT-TEK Unisex Micropique Sport-Wick Polo | Short Sleeve Collared Shirt for Men & Women Casual Fit Top for Work Tennis & Golf Black
SPORT-TEK$19.794.6★636 rev
Reebok Mens Trophy Short Sleeve Crewneck T-Shirt Standard Fit Breathable Stretch Poly Jersey Knit Fabric Black Heather Large
Reebok$11.974.7★326 rev
SPORT-TEK PosiCharge Competitor Tee True Royal
SPORT-TEK$14.664.5★591 rev
Reebok Mens Big Short Sleeve Crewneck T-Shirt Standard Fit Lightweight Cotton-Poly Jersey Fabric Black Large
Reebok$15.825.0★83 rev
Reebok Mens Showdown Short Sleeve Crewneck T-Shirt Standard Fit Lightweight Stretch Poly Space-Dyed Cool Touch Jersey Shadow Heather Large
Reebok$13.804.7★163 rev
Newest
by launch date
Reebok Hooded Rash Guard for Men Long Sleeve Sun Shirt UPF 50+ UV Protection Fishing Running Hiking Athletic Workout Medieval Blue
Reebok$13.3252 rev
Reebok Mens Trophy Short Sleeve Crewneck T-Shirt Standard Fit Breathable Stretch Poly Jersey Knit Fabric Black Heather Large
Reebok$11.97326 rev
Reebok Mens Big Short Sleeve Crewneck T-Shirt Standard Fit Lightweight Cotton-Poly Jersey Fabric Black Large
Reebok$15.8283 rev
Reebok Mens Showdown Short Sleeve Crewneck T-Shirt Standard Fit Lightweight Stretch Poly Space-Dyed Cool Touch Jersey Shadow Heather Large
Reebok$13.80163 rev
Reebok Mens Byron Short Sleeve Crewneck T-Shirt Standard Fit Lightweight Poly Fabric Vintage Moss Heather Large
Reebok$10.5641 rev
Trending
90-day click momentum
5 Pack Mens Active Quick Dry Crew Neck T Shirts | Athletic Running Gym Workout Short Sleeve Tee Tops Bulk (Set 2 X-Large)
Liberty Imports$39.324.6★
Reebok Mens Sonic Bolt Short Sleeve Crewneck T-Shirt Standard Fit Lightweight Cool Touch Jersey Fabric Black Heather Medium
Reebok$7.854.7★
Reebok Mens Peak Short Sleeve T-Shirt Standard Fit Lightweight Cotton-Poly Fabric Vintage Moss Small
Reebok$6.224.5★
Reebok Hooded Rash Guard for Men Long Sleeve Sun Shirt UPF 50+ UV Protection Fishing Running Hiking Athletic Workout Medieval Blue
Reebok$13.324.2★
Reebok Slim Athletic Fit Long Sleeve Sport Shirts for Men - Wrinkle Free Muscle Shirt Mens Formal 4-Way Stretch
Reebok$29.194.4★
What buyers say about 3xl
What buyers praise and complain about, mined from review topics.What buyers love
“Not too tight”
“Excellent product”
“Good comfortable”
“Good value for money”
“Good material”
“nice color choices”
“Very nice and soft material”
“Lightweight and breathable”
“As advertised”
“Lightweight and breathable”
What buyers complain about
“Horrible fit”
“Material is low quality”
“in this case I didnt like the quality”
“thicker fabric compared to my other synthetic sun shirts made of similar materials”
“I sweat a lot”
“Some of the colors look a little cheap”
“these have the strongest chemical smell EVER”
“There was a little bit of shrinkage”
“They are not super stretchy”
“See through”
Top return reasons
Common questions
- Is 3xl profitable to sell on Amazon United States?
- The niche generates $40K/yr across 157 tracked products. 9 of 59 products launched in the last 360 days are still selling. 90-day search growth is +29.7%. Flapen's verdict: Skip it (44/100).
- How competitive is the 3xl niche?
- 29 brands and 87 sellers compete. The top 5 products take 14% of clicks and top 5 brands hold 85% of demand.
- What do buyers complain about in 3xl?
- Top complaints mined from reviews: Size-Overall, Material Quality, Quality-Overall. The return rate is 4.4%.
- When does demand for 3xl peak?
- Demand peaks in Jul; the busiest month runs 1.7× the quietest.
- What does it cost to enter the 3xl niche?
- Listings span $6.09–$39.74; the average listing price is $18.35 (sweet spot $15–$100). The average incumbent carries 7,838 reviews — the moat a new listing must climb.