6 shirt
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Avg price
Good$14.60avg listing price — sweet spot $15–$100
Review moat
Good759.63avg incumbent reviews — the moat a new listing must climb
Price range
Good$12.76–$17.23cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Bad5.9%return rate — above 5% kills the launch gate
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Growth
Bad-20.5%90-day search growth — must beat 0% to launch
Conversion
Bad0.8%search→purchase rate — share of searches ending in a sale
Competition
Bad88%top-5 click share — a locked-up shelf
Market size
Bad$11K$11K/yr · 93K searches
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, 6 shirt is a $11K/yr Amazon United States market (93K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 19/100.
Data updated Jul 8, 2026 · scored weekly · How we score niches
6 shirt market data
- Units sold / yr
- 3K–3K
- avg 100–250/product
- Revenue / yr
- $37K–$44K
- units × avg price
- Conversion rate
- 0.8%
- Avg BSR
- #2,116
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 75%
- Out of stock
- 0.0%
- Avg brand age
- 26 months
- Avg seller age
- 191 days
Competition & brand share
The top 5 products capture 88% of clicks — a locked-up shelf that new listings rarely crack.Brands
5 falling
Sellers
6
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
88%
Top 20: 100%
Open market
0%
- Unordinary Toddler76%
- GLIGLITTR8%
- Ritatte6%
- BOUTIKOME5%
- Uniform Numbered Jersey Designs5%
Demand
Weekly Amazon search volume, last 36 weeks — -20.5% search growth over the last 90 days.Top 6 shirt search terms
- six shirt13K/yr
- 6 shirt38K/yr
- number 6 shirt13K/yr
- 6 tshirt6K/yr
- shirt with 6 on it7K/yr
- 6 t shirt3K/yr
- shirt with a 6 on it3K/yr
- shirt with number 63K/yr
- 6 shirt women4K/yr
- 6 shirt adult3K/yr
Top 6 shirt 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 8 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Unordinary Toddler Boys 6th Birthday Shirt (Charcoal Blue 7 Years)
Unordinary Toddler$12.764.8★1,813 rev
Unicorn 6th Birthday Shirts for Toddler Girls Outfit 6 Year Old Six Sixth Shirt (US Age 7 Years Mauve)
Unordinary Toddler$12.914.7★371 rev
GLIGLITTR Birthday Girl Shirt 6th 7th 8th 9th Girls Birthday Tshirt Kids Bday Party Outfit Sequin Glitter Embroidery Tee Tops(Pink 6Y)
GLIGLITTR$17.234.8★134 rev
Ritatte Birthday Girl Shirt Kids Girls 5th 6th 7th 8th 9th 10th T-Shirts Sequin Embroidered Party Outfit 5-10 Years(Pink-Six 6Y)
Ritatte$17.124.7★117 rev
BOUTIKOME 6th Boys Birthday Shirts Six Kids Embroidery T-Shirts Baby Birthday Outfit Toddler Party Chenille Patch Tee Tops(Grey-6Y)
BOUTIKOME$14.714.7★200 rev
Newest
by launch dateGLIGLITTR Birthday Girl Shirt 6th 7th 8th 9th Girls Birthday Tshirt Kids Bday Party Outfit Sequin Glitter Embroidery Tee Tops(Pink 6Y)
GLIGLITTR$17.23134 rev
BOUTIKOME 6th Boys Birthday Shirts Six Kids Embroidery T-Shirts Baby Birthday Outfit Toddler Party Chenille Patch Tee Tops(Grey-6Y)
BOUTIKOME$14.71200 rev
Ritatte Birthday Girl Shirt Kids Girls 5th 6th 7th 8th 9th 10th T-Shirts Sequin Embroidered Party Outfit 5-10 Years(Pink-Six 6Y)
Ritatte$17.12117 rev
Unicorn 6th Birthday Shirts for Toddler Girls Outfit 6 Year Old Six Sixth Shirt (US Age 7 Years Mauve)
Unordinary Toddler$12.91371 rev
Number 6 Varsity Sports Team Jersey 6th Birthday 6 Years T-Shirt
Uniform Numbered Jersey Designs$14.4495 rev
Trending
90-day click momentum
Unordinary Toddler 5th Birthday Shirts for Girls 5 Year Old Shirt Girl Five Gift Fifth Tshirt Outfit (White on Pink 6 Years)
Unordinary Toddler$12.894.8★
Unordinary Toddler 6th Birthday Shirt boy 6 Year Old boy Birthday Gift 6yr six Year Old Sixth Tshirt (Charcoal Black 6 Years)
Unordinary Toddler$14.774.8★
Unicorn 6th Birthday Shirts for Toddler Girls Outfit 6 Year Old Six Sixth Shirt (US Age 7 Years Mauve)
Unordinary Toddler$12.914.7★
Ritatte Birthday Girl Shirt Kids Girls 5th 6th 7th 8th 9th 10th T-Shirts Sequin Embroidered Party Outfit 5-10 Years(Pink-Six 6Y)
Ritatte$17.124.7★
Unordinary Toddler Boys 6th Birthday Shirt (Charcoal Blue 7 Years)
Unordinary Toddler$12.764.8★
What buyers say about 6 shirt
What buyers praise and complain about, mined from review topics.What buyers love
“Perfect fit”
“Great quality shirt”
“comfortable”
“Item just as described”
“Cute and sparkly”
“Good durability of the sequins”
“Great price too”
“Love the feel”
“washes very well”
What buyers complain about
“The price was a little high so I was hesitant”
Top return reasons
Common questions
- Is 6 shirt profitable to sell on Amazon United States?
- The niche generates $11K/yr across 8 tracked products. 90-day search growth is -20.5%. Flapen's verdict: Skip it (19/100).
- How competitive is the 6 shirt niche?
- 5 brands and 6 sellers compete. The top 5 products take 88% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in 6 shirt?
- Top complaints mined from reviews: Value For Money. The return rate is 5.9% — above our launch gate.
- What does it cost to enter the 6 shirt niche?
- Listings span $12.76–$17.23; the average listing price is $14.60 (sweet spot $15–$100). The average incumbent carries 760 reviews — the moat a new listing must climb.