---
title: "thermal underwear for kids — Niche Verdict: Skip it (51/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/clothing-shoes-jewelry/thermal-underwear-for-kids"
last_updated: "2026-07-10T01:11:37.982Z"
locale: en
meta:
  description: "a small market ($249K/yr) — thermal underwear for kids doesn't clear our bar today."
  "og:description": "a small market ($249K/yr) — thermal underwear for kids doesn't clear our bar today."
  "og:title": "thermal underwear for kids — Niche Verdict: Skip it (51/100) | Amazon United States - Flapen"
---

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# **thermal underwear for kids**

**Skip it****51/100 **

a small market ($249K/yr) — thermal underwear for kids doesn't clear our bar today.

**Market/yr**

**$249K**

**Growth (1y)**

**+237.8%**

**Products**

**74**

**Brands**

**30**

was 31 a year ago

**Sellers**

**79**

**Price range**

**$12.12–$62.37**

**Returns**

**7.9%**

**Rating**

**4.6★**

**Skip it**

Scored 51/100 across market size, growth, competition, quality gap, and returns.

Market sizeGrowthCompetitionQuality gapReturns

Market size

**12**

 ×0.30

Growth

**81**

 ×0.30

Competition

**85**

 ×0.20

Quality gap

**26**

 ×0.10

Returns

**31**

 ×0.10

## **Demand**

Weekly Amazon search volume, last 104 weeks — +237.8% year over year.

94K47KPrime Day '24Spike '24Holiday '24Spike '25Prime Day '25Black Friday '25Holiday '25Spike '26Jul '24Nov '24Mar '25Jul '25Nov '25Mar '26

## **Seasonality**

Monthly demand index across the year — 1.00 is average.

JFMAMJJASOND

Peak months: Jan, Feb, Oct, Nov, Dec · busiest ÷ quietest = 28.7×

## **Competition**

- TELALEO22% - Spyder13% - Rocky8% - Rolimaka8% - American Trends7% - Cuddl Duds6% - Other (24 brands)37%

Clicks spread well past the top 5 (30% combined) — an open shelf where new products get seen. 30 brands and 79 sellers compete here.

**Brands**

**30 **▼falling

was 31 a year ago

**Sellers**

**79**

**Top 5 brand share**

**58%**

#ProductBrandPriceRatingReviewsClick shareTrend

1
![TELALEO Boys Girls Thermal Set Fleece Lined Underwear Set Kids Compression Shirts Athletic Sports Tops Leggings Baselayer Shirts/Pants Set M](https://m.media-amazon.com/images/I/31k39ti52HL.jpg) [**TELALEO Boys Girls Thermal Set Fleece Lined Underwear Set Kids Compression Shirts Athletic Sports Tops Leggings Baselayer Shirts/Pants Set M**](https://www.amazon.com/dp/B0841X35YN)

TELALEO$18.554.8★2,9268%▲rising

2
![TELALEO Boys Girls Thermal Set Fleece Lined Underwear Set Kids Compression Shirts Athletic Sports Tops Leggings Baselayer Shirts/Pants Set S](https://m.media-amazon.com/images/I/31k39ti52HL.jpg) [**TELALEO Boys Girls Thermal Set Fleece Lined Underwear Set Kids Compression Shirts Athletic Sports Tops Leggings Baselayer Shirts/Pants Set S**](https://www.amazon.com/dp/B0841WNG55)

TELALEO$18.644.8★2,9267%▲rising

3
![Spyder Kids Thermal Underwear Set - 2 Piece Soft Stretch Moisture Wicking Girls Boys Thermal Set Long Johns for Kids Size 16-18 Black](https://m.media-amazon.com/images/I/31GMo5D9dzL.jpg) [**Spyder Kids Thermal Underwear Set - 2 Piece Soft Stretch Moisture Wicking Girls Boys Thermal Set Long Johns for Kids Size 16-18 Black**](https://www.amazon.com/dp/B0DJRRFKVB)

Spyder$20.914.7★2086%▲rising

4
![Girls Underwear Kids Thermal Underwears Toddler Winter Base Layer Long Johns Sets for Boys A Black Large (100) /3T-4T](https://m.media-amazon.com/images/I/311q1qrb+rL.jpg) [**Girls Underwear Kids Thermal Underwears Toddler Winter Base Layer Long Johns Sets for Boys A Black Large (100) /3T-4T**](https://www.amazon.com/dp/B09GVXCBMD)

American Trends$16.914.7★1,2105%▲rising

5
![TELALEO Boys Girls Thermal Set Fleece Lined Underwear Set Kids Compression Shirts Athletic Sports Tops Leggings Baselayer Shirts/Pants Set XS](https://m.media-amazon.com/images/I/31k39ti52HL.jpg) [**TELALEO Boys Girls Thermal Set Fleece Lined Underwear Set Kids Compression Shirts Athletic Sports Tops Leggings Baselayer Shirts/Pants Set XS**](https://www.amazon.com/dp/B0841X61PK)

TELALEO$18.524.8★2,9264%▼falling

6
![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)](https://m.media-amazon.com/images/I/31d4Y2KAkuL.jpg) [**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)**](https://www.amazon.com/dp/B01M12L67P)

Rocky$23.454.5★5,7484%▲rising

7
![Runhit Thermal Underwear for Kids Long Johns Ultra Soft Long Sleeve Shirts Sets Skiing Base Layer Fleece Lined Pants Suit Black M](https://m.media-amazon.com/images/I/31B0ErLdIGL.jpg) [**Runhit Thermal Underwear for Kids Long Johns Ultra Soft Long Sleeve Shirts Sets Skiing Base Layer Fleece Lined Pants Suit Black M**](https://www.amazon.com/dp/B0CCR8TQTP)

Runhit$12.864.7★6324%▲rising

8
![Spyder Kids Thermal Underwear Set - 2 Piece Soft Stretch Moisture Wicking Girls Boys Thermal Set Long Johns for Kids Size 8-10 Black](https://m.media-amazon.com/images/I/31GMo5D9dzL.jpg) [**Spyder Kids Thermal Underwear Set - 2 Piece Soft Stretch Moisture Wicking Girls Boys Thermal Set Long Johns for Kids Size 8-10 Black**](https://www.amazon.com/dp/B0DJRQKW5M)

Spyder$23.034.7★2083%▲rising

9
![Rolimaka Boys Thermal Underwear Set kids Fleece Lined Leggings Pants Compression Long Johns Base Layer Top and Bottom M](https://m.media-amazon.com/images/I/31wpvlbZJiL.jpg) [**Rolimaka Boys Thermal Underwear Set kids Fleece Lined Leggings Pants Compression Long Johns Base Layer Top and Bottom M**](https://www.amazon.com/dp/B0FMJW7GN9)

Rolimaka$14.144.7★1653%▼falling

10

![Ewedoos Thermal Underwear Set for Kids Thermals Top and Bottom Set Boys Long Johns Base Layer Thermal Set Black](https://m.media-amazon.com/images/I/31NH4u4KZ8L.jpg) [**Ewedoos Thermal Underwear Set for Kids Thermals Top and Bottom Set Boys Long Johns Base Layer Thermal Set Black**](https://www.amazon.com/dp/B0CBKND1FK)

Ewedoos$15.914.8★5172%▼falling

11

![Rocky Thermal Underwear Kids Girls Thermal Underwear Set Long Johns kid Thermals Kid Base Layer kids thermals top bottom set Lavender Small Standard-185 GSM THERMALS SET](https://m.media-amazon.com/images/I/313vp4z3L7L.jpg) [**Rocky Thermal Underwear Kids Girls Thermal Underwear Set Long Johns kid Thermals Kid Base Layer kids thermals top bottom set Lavender Small Standard-185 GSM THERMALS SET**](https://www.amazon.com/dp/B01LZRR915)

Rocky$24.654.5★5,8412%▼falling

12

![Rolimaka 2 Pack Youth Boys Thermal Underwear Set Fleece Lined Compression Shirt Leggings Sports Tights Pants Big Kids Base Layer M](https://m.media-amazon.com/images/I/41NVSiEQU1L.jpg) [**Rolimaka 2 Pack Youth Boys Thermal Underwear Set Fleece Lined Compression Shirt Leggings Sports Tights Pants Big Kids Base Layer M**](https://www.amazon.com/dp/B0C6H116GX)

Rolimaka$24.614.8★8112%▼falling

13

![Girls Underwear Kids Thermal Underwears Toddler Winter Base Layer Long Johns Sets for Boys A Black Medium (90) /2T-3T](https://m.media-amazon.com/images/I/31RtK1wZWoL.jpg) [**Girls Underwear Kids Thermal Underwears Toddler Winter Base Layer Long Johns Sets for Boys A Black Medium (90) /2T-3T**](https://www.amazon.com/dp/B08R5VP3B4)

American Trends$17.384.7★1,2822%▼falling

14

![Rocky Thermal Underwear Kids Girls Thermal Underwear Set Long Johns kid Thermals Kid Base Layer kids thermals top bottom set Black Small Standard-185 GSM THERMALS SET](https://m.media-amazon.com/images/I/31e6EbSJVNL.jpg) [**Rocky Thermal Underwear Kids Girls Thermal Underwear Set Long Johns kid Thermals Kid Base Layer kids thermals top bottom set Black Small Standard-185 GSM THERMALS SET**](https://www.amazon.com/dp/B0BKQXJHJB)

Rocky$24.234.5★5,8412%▲rising

15

![Spyder Kids Thermal Underwear Set - 2 Piece Soft Stretch Moisture Wicking Girls Boys Thermal Set Long Johns for Kids Size 16-18 Heather Grey](https://m.media-amazon.com/images/I/41bwA6W2DsL.jpg) [**Spyder Kids Thermal Underwear Set - 2 Piece Soft Stretch Moisture Wicking Girls Boys Thermal Set Long Johns for Kids Size 16-18 Heather Grey**](https://www.amazon.com/dp/B0DJRRCMKD)

Spyder$20.494.7★2082%▲rising

**~~Showing 15 of 74 — show all ~~**

## **Product shelf**

All 74 tracked products in this niche.

Top sellersNewestTrending

[![TELALEO Boys Girls Thermal Set Fleece Lined Underwear Set Kids Compression Shirts Athletic Sports Tops Leggings Baselayer Shirts/Pants Set M](https://m.media-amazon.com/images/I/31k39ti52HL.jpg)**TELALEO Boys Girls Thermal Set Fleece Lined Underwear Set Kids Compression Shirts Athletic Sports Tops Leggings Baselayer Shirts/Pants Set M** TELALEO**$18.55**4.8★2,926 reviews](https://www.amazon.com/dp/B0841X35YN) [![TELALEO Boys Girls Thermal Set Fleece Lined Underwear Set Kids Compression Shirts Athletic Sports Tops Leggings Baselayer Shirts/Pants Set S](https://m.media-amazon.com/images/I/31k39ti52HL.jpg)**TELALEO Boys Girls Thermal Set Fleece Lined Underwear Set Kids Compression Shirts Athletic Sports Tops Leggings Baselayer Shirts/Pants Set S** TELALEO**$18.64**4.8★2,926 reviews](https://www.amazon.com/dp/B0841WNG55) [![Spyder Kids Thermal Underwear Set - 2 Piece Soft Stretch Moisture Wicking Girls Boys Thermal Set Long Johns for Kids Size 16-18 Black](https://m.media-amazon.com/images/I/31GMo5D9dzL.jpg)**Spyder Kids Thermal Underwear Set - 2 Piece Soft Stretch Moisture Wicking Girls Boys Thermal Set Long Johns for Kids Size 16-18 Black** Spyder**$20.91**4.7★208 reviews](https://www.amazon.com/dp/B0DJRRFKVB) [![Girls Underwear Kids Thermal Underwears Toddler Winter Base Layer Long Johns Sets for Boys A Black Large (100) /3T-4T](https://m.media-amazon.com/images/I/311q1qrb+rL.jpg)**Girls Underwear Kids Thermal Underwears Toddler Winter Base Layer Long Johns Sets for Boys A Black Large (100) /3T-4T** American Trends**$16.91**4.7★1,210 reviews](https://www.amazon.com/dp/B09GVXCBMD) [![TELALEO Boys Girls Thermal Set Fleece Lined Underwear Set Kids Compression Shirts Athletic Sports Tops Leggings Baselayer Shirts/Pants Set XS](https://m.media-amazon.com/images/I/31k39ti52HL.jpg)**TELALEO Boys Girls Thermal Set Fleece Lined Underwear Set Kids Compression Shirts Athletic Sports Tops Leggings Baselayer Shirts/Pants Set XS** TELALEO**$18.52**4.8★2,926 reviews](https://www.amazon.com/dp/B0841X61PK) [![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)](https://m.media-amazon.com/images/I/31d4Y2KAkuL.jpg)**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**$23.45**4.5★5,748 reviews](https://www.amazon.com/dp/B01M12L67P) [![Runhit Thermal Underwear for Kids Long Johns Ultra Soft Long Sleeve Shirts Sets Skiing Base Layer Fleece Lined Pants Suit Black M](https://m.media-amazon.com/images/I/31B0ErLdIGL.jpg)**Runhit Thermal Underwear for Kids Long Johns Ultra Soft Long Sleeve Shirts Sets Skiing Base Layer Fleece Lined Pants Suit Black M** Runhit**$12.86**4.7★632 reviews](https://www.amazon.com/dp/B0CCR8TQTP) [![Spyder Kids Thermal Underwear Set - 2 Piece Soft Stretch Moisture Wicking Girls Boys Thermal Set Long Johns for Kids Size 8-10 Black](https://m.media-amazon.com/images/I/31GMo5D9dzL.jpg)**Spyder Kids Thermal Underwear Set - 2 Piece Soft Stretch Moisture Wicking Girls Boys Thermal Set Long Johns for Kids Size 8-10 Black** Spyder**$23.03**4.7★208 reviews](https://www.amazon.com/dp/B0DJRQKW5M)

## **Reviews**

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

### **What buyers love **

**Warmth**26%

*“Cozy and warm”*

**Size-Overall**19%

*“For my two grandsons they fit”*

**Quality-Overall**12%

*“Excellent quality, perfect fit, delivered just in time”*

**Comfort-Overall**8%

*“Very comfortable”*

**Value For Money**4%

*“Good price”*

**Durability**3%

*“Durable, good quality”*

**Soft Feel**3%

*“The material feels gentle on the skin”*

**Material Quality**3%

*“The material was comfortable”*

**Advertised Vs Actual Product**2%

*“Just as advertised”*

**Stretchability/Expandability/Elasticity**2%

*“Nice stretch too”*

### **What buyers complain about **

**Size-Overall**24%

*“They do run a little bit big”*

**Quality-Overall**11%

*“Poor Quality”*

**Material Quality**9%

*“Cheap material”*

**Product Condition**5%

*“It came used”*

**Pilling/Linting**4%

*“Thermal fabric pills badly”*

**Thickness**4%

*“The material isnt too thick”*

**Value For Money**2%

*“I just wish they were a little cheaper”*

**Smell**2%

*“smells chemically out of package”*

**Stretchability/Expandability/Elasticity**1%

*“the set hasnt stretched out”*

**Wrist Fit**1%

*“tight around the wrist”*

#### **Top return reasons**- Size-Overall62% - Length7% - Waist Fit6% - Material Quality4% - Sleeve Fit2% - Value For Money2% - Compression2% - Advertised Vs Actual Product2% - Thin2% - Thigh Fit1%