boys long underwear size 10-12
Skip it42/100a small market ($47K/yr) — boys long underwear size 10-12 doesn't clear our bar today.
Market/yr
$47K
Growth (1y)
+156.9%
Products
38
Brands
20
was 25 a year ago
Sellers
24
Price range
$12.12–$32.24
Returns
6.9%
Rating
4.7★
Skip it
Scored 42/100 across market size, growth, competition, quality gap, and returns.
Demand
Weekly Amazon search volume, last 104 weeks — +156.9% year over year.Seasonality
Monthly demand index across the year — 1.00 is average.Peak months: Jan, Feb, Oct, Nov, Dec · busiest ÷ quietest = 14.7×
Competition
- Spyder30%
- TELALEO10%
- Runhit8%
- Rolimaka8%
- Ewedoos7%
- Cuddl Duds6%
- Other (14 brands)31%
The top 5 products take 43% of clicks — established leaders, but buyers still shop beyond them. 20 brands and 24 sellers compete here.
Brands
20 falling
was 25 a year ago
Sellers
24
Top 5 brand share
63%
Product shelf
All 38 tracked products in this niche.

Spyder Kids Thermal Underwear Set - 2 Piece Soft Stretch Moisture Wicking Girls Boys Thermal Set Long Johns for Kids Size 16-18 Black
Spyder
$20.914.7★208 reviews

Runhit Thermal Underwear for Kids Long Johns Ultra Soft Long Sleeve Shirts Sets Skiing Base Layer Fleece Lined Pants Suit Black M
Runhit
$12.864.7★632 reviews

Spyder Kids Thermal Underwear Set - 2 Piece Soft Stretch Moisture Wicking Girls Boys Thermal Set Long Johns for Kids Size 16-18 Heather Grey
Spyder
$20.494.7★208 reviews

TELALEO Boys Girls Thermal Set Fleece Lined Underwear Set Kids Compression Shirts Athletic Sports Tops Leggings Baselayer Shirts/Pants Set M
TELALEO
$18.554.8★2,926 reviews

Ewedoos Thermal Underwear Set for Kids Thermals Top and Bottom Set Boys Long Johns Base Layer Thermal Set Black
Ewedoos
$15.914.8★517 reviews

TELALEO Boys Girls Thermal Set Fleece Lined Underwear Set Kids Compression Shirts Athletic Sports Tops Leggings Baselayer Shirts/Pants Set S
TELALEO
$18.644.8★2,926 reviews

Dalavch 2 Sets Youth Boys Thermal Base Layer Long Johns Compression Leggings and Shirts Fleece Lined Underwear for Kids Girls 1 Black 1 Heather Grey Medium
Dalavch
$25.054.8★377 reviews

Rocky Thermal Underwear Kids Boys Thermal Underwear Set Long Johns Thermals Kids Base Layer kid thermals top bottom set Boys Winter Clothes Shirt & Pants Ski/Extreme Cold (Black Large)
Rocky
$23.454.5★5,748 reviews
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Fit great”
“Keep warm”
“Very comfortable”
“Excellent quality, perfect fit, delivered just in time”
“Soft and comfortable”
“Affordable long underwear for kids”
“Durable, good quality”
“The material was comfortable”
“Nice stretch too”
“The moisture-wicking feature works great for an active boy”
What buyers complain about
“Size is 2 sizes tighter than it shouldve been”
“Disappointing Quality for Kids' Thermal Set”
“Cheap material”
“The material isnt too thick”
“And while the waist fits the length is way too short”
“Very long”
“it was sorta long on the sleeves I had to fold them”
“smells chemically out of package”
“the set hasnt stretched out”
“Just a little thin”
Top return reasons
- Size-Overall62%
- Length7%
- Waist Fit7%
- Material Quality3%
- Sleeve Fit2%
- Thigh Fit2%
- Advertised Vs Actual Product2%
- Thin1%
- Value For Money1%
- Compression1%





