Is boys long sleeve shirts size 10-12 profitable to sell on Amazon United States?

The niche generates $115K/yr across 245 tracked products. 14 of 72 products launched in the last 360 days are still selling. 90-day search growth is -74.1%. Flapen's verdict: Skip it (43/100).

How competitive is the boys long sleeve shirts size 10-12 niche?

77 brands and 92 sellers compete. The top 5 products take 11% of clicks and top 5 brands hold 44% of demand.

What do buyers complain about in boys long sleeve shirts size 10-12?

Top complaints mined from reviews: Size-Overall, Thickness, Product Condition. The return rate is 9.4% — above our launch gate.

When does demand for boys long sleeve shirts size 10-12 peak?

Demand peaks in Sep–Oct–Nov–Dec; the busiest month runs 18.1× the quietest.

What does it cost to enter the boys long sleeve shirts size 10-12 niche?

Listings span $5.77–$52.29; the average listing price is $18.85 (sweet spot $15–$100). The average incumbent carries 2,407 reviews — the moat a new listing must climb.

boys long sleeve shirts size 10-12

Skip it

Soft demand (-74.1% this quarter) — this niche doesn't clear our bar today.

Competition

Incredible11%

top-5 click share — an open shelf

Brand share

Great44%

top-5 brand share — no brand owns this niche

Avg price

Great$18.85

avg listing price — sweet spot $15–$100

Price range

Great$5.77–$52.29

cheapest to priciest tracked listing — scored on the share inside $15–$100

Review moat

Okay2,407.1

avg incumbent reviews — the moat a new listing must climb

Market size

Okay$115K

$115K/yr · 636K searches

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Conversion

Bad1.0%

search→purchase rate — share of searches ending in a sale

Returns

Bad9.4%

return rate — above 5% kills the launch gate

Growth

Bad-74.1%

90-day search growth — must beat 0% to launch

Signals No Dominant Brand High Returns

According to Flapen's Amazon United States niche tracking, boys long sleeve shirts size 10-12 is a $115K/yr Amazon United States market (636K searches/yr). The top 5 brands hold 44% of demand. Demand peaks in Sep–Oct–Nov–Dec. Verdict: Skip it — 43/100.

Data updated Jul 8, 2026 · scored weekly · How we score niches

boys long sleeve shirts size 10-12 market data

Units sold / yr: 10K–13K; avg 0–100/product
Revenue / yr: $189K–$236K; units × avg price
Conversion rate: 1.0%
Avg BSR: #498
Page quality: 0%
Prime: 100%
Sponsored: 87%
Out of stock: 19.6%
Avg brand age: 38 months
Avg seller age: 155 days

Competition & brand share

Clicks spread well past the top 5 (11% combined) — an open shelf where new products get seen.

Brands

77 rising

Sellers

Top-5 brand share

44%

Top 20: 75%

Top-5 click share

11%

Top 20: 28%

Open market

55%

The Children's Place12%
Amazon Essentials12%
Real Essentials6%
Brix5%
AOTIK5%
Marvelous World4%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -74.1% search growth over the last 90 days.

Peak months: Sep, Oct, Nov, Dec · busiest ÷ quietest = 18.1×

Open Trend

Top boys long sleeve shirts size 10-12 search terms

camisa manga larga para nio22K/yr +84.8%0.2% conv.
kids long sleeve shirt60K/yr -55.1%0.4% conv.
5t long sleeve shirts boys49K/yr -73.2%2.3% conv.
boys long sleeve shirts size 10-12139K/yr -90.1%1.1% conv.
boys thermal shirt48K/yr -77.3%0.7% conv.
boys long sleeve shirts size 14-1684K/yr -87.2%0.8% conv.
youth long sleeve shirt16K/yr -65.0%0.5% conv.
long sleeve shirts for boys 10-1214K/yr -49.0%0.8% conv.
boys thermal long sleeve shirts13K/yr -65.9%0.3% conv.
boys long sleeve shirts size 649K/yr -89.7%0.0% conv.

All search terms

Top boys long sleeve shirts size 10-12 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Amazon Essentials Boys Long-Sleeve Cotton Thermal T-Shirt Base Layer Pack of 3 Grey Rugby Stripe/Mustard Yellow/Rust XX-Large

Amazon Essentials$18.974.7★1,324 rev

Marvelous World Boys Long Sleeve Solid Buttoned Cuffs Dress Shirt Kids Casual Button Down Shirts White Size 8

Marvelous World$13.014.7★756 rev

Brix Boys Basic Long Sleeve -Tee 100% Cotton Crewneck 4-Pack Shirts.

Brix$19.754.6★7,978 rev

French Toast Boys Expandable Collar Button Down Dress Shirt with Long Sleeves (Standard & Husky) White 7

French Toast$11.074.7★18,259 rev

Real Essentials 5 Pack: Boys Cotton Jersey Long Sleeve T-Shirt Uniform Kids Crew Neck Tee Top- Set 6 XS 4-5

Real Essentials$36.254.3★74 rev

Newest

by launch date

Simple Joys by Carters Toddler Boys 3- Pack Solid Pocket Long-Sleeve Tee Shirts Shirt grey/blue/navy 5T

Simple Joys by Carter's$19.1124,730 rev

2mo ago

MagicSite Boys White Button Down Dress Shirt with Tie Little Kids Long Sleeve Button Up Shirt Size 10 for Big Boy

MagicSite$13.70548 rev

5mo ago

Real Essentials 4 Pack: Boys Mesh Long Sleeve Athletic T-Shirt - Kids Teens Youth Active Tees Running Tops- Set 7 XS 4-5

Real Essentials$31.16139 rev

9mo ago

Real Essentials 5 Pack: Boys Cotton Jersey Long Sleeve T-Shirt Uniform Kids Crew Neck Tee Top- Set 6 XS 4-5

Real Essentials$36.2574 rev

9mo ago

NUMYEAN Boys Long Sleeve Dress Shirts Button Down Uniform Shirts with Chest Pocket Size 9-10 Years Blue

NUMYEAN$11.18147 rev

11mo ago

What buyers say about boys long sleeve shirts size 10-12

What buyers praise and complain about, mined from review topics.

What buyers love

Size-Overall22%

“Fit perfect”

Quality-Overall16%

“Nice shirt, good quality”

Comfort-Overall6%

“Super comfortable”

Value For Money6%

“Excellent value”

Soft Feel6%

“Smooth and comfortable”

Material Quality6%

“Very soft material”

Warmth4%

“keeps you warm”

Color3%

“The colors were vibrant”

Washability2%

“theyve held up well through many washes”

Thickness2%

“Yes, it's on the thinner side”

What buyers complain about

Size-Overall26%

“it was huge”

Thickness4%

“shirt is not see through it is thick enough”

Product Condition4%

“I received a used shirt”

Wrinkles4%

“Not So Wrinkle Free”

Material Quality4%

“Cheap material”

Color4%

“is yellowish all around”

Quality-Overall3%

“Junk”

Shrinkage Resistance2%

“SHRINKS”

Thin2%

“Very thin”

Transparency1%

“See-through”

Top return reasons

Size-Overall58%

Sleeve Fit10%

Length5%

Chest Fit4%

Material Quality4%

Thin3%

Arm Fit2%

Color2%

Advertised Vs Actual Product2%

Waist Fit1%

Common questions

Is boys long sleeve shirts size 10-12 profitable to sell on Amazon United States?: The niche generates $115K/yr across 245 tracked products. 14 of 72 products launched in the last 360 days are still selling. 90-day search growth is -74.1%. Flapen's verdict: Skip it (43/100).
How competitive is the boys long sleeve shirts size 10-12 niche?: 77 brands and 92 sellers compete. The top 5 products take 11% of clicks and top 5 brands hold 44% of demand.
What do buyers complain about in boys long sleeve shirts size 10-12?: Top complaints mined from reviews: Size-Overall, Thickness, Product Condition. The return rate is 9.4% — above our launch gate.
When does demand for boys long sleeve shirts size 10-12 peak?: Demand peaks in Sep–Oct–Nov–Dec; the busiest month runs 18.1× the quietest.
What does it cost to enter the boys long sleeve shirts size 10-12 niche?: Listings span $5.77–$52.29; the average listing price is $18.85 (sweet spot $15–$100). The average incumbent carries 2,407 reviews — the moat a new listing must climb.