Thermal Underwear

Thermal Underwear for Kids

A warm foundation will make all the difference to your kids during winter sports. Introduce thermal underwear to their kit and we promise they’ll be keen to get out on the pitch or track, whatever the weather. Another advantage of base top or undershorts is moisture management and keeping a lid on rubbing.

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Kids’ Ski Base Layer Bottoms 500 Green
Kids’ Ski Base Layer Bottoms 500 Green
£9.99
Kids’ Ski Base Layer Top - BL500 - Mint
BEST RATED
Kids’ Ski Base Layer Top - BL500 - Mint
£7.99
Kids’ Ski Base Layer Top 500 1/2 Zip - Green
SALES
Kids’ Ski Base Layer Top 500 1/2 Zip - Green
£12.99 −46%
£6.99
Boys' Baselayer Long Sleeve Crew Neck Top
Boys' Baselayer Long Sleeve Crew Neck Top
£14
10 models available
POWERLAYER

Boys' Baselayer Long Sleeve Crew Neck Top

Sold and shipped by TCA
Boys' Pro Performance Baselayer Short Sleeve Top
Boys' Pro Performance Baselayer Short Sleeve Top
£14
6 models available
TCA

Boys' Pro Performance Baselayer Short Sleeve Top

Sold and shipped by TCA
Boys' CarbonForce Baselayer Short
Boys' CarbonForce Baselayer Short
£13
5 models available
TCA

Boys' CarbonForce Baselayer Short

Sold and shipped by TCA
Boys' Pro Performance Baselayer Short
Boys' Pro Performance Baselayer Short
£14
5 models available
TCA

Boys' Pro Performance Baselayer Short

Sold and shipped by TCA
Boys' Pro Performance BaseLayer Tight
Boys' Pro Performance BaseLayer Tight
£15
5 models available
TCA

Boys' Pro Performance BaseLayer Tight

Sold and shipped by TCA
Men's Pro Performance Baselayer Short Sleeve Top
Men's Pro Performance Baselayer Short Sleeve Top
£15
6 models available
TCA

Men's Pro Performance Baselayer Short Sleeve Top

Sold and shipped by TCA
Childrens Boys Thermal Underwear Sports Base Layer Shorts (Bottle Green)
Childrens Boys Thermal Underwear Sports Base Layer Shorts (Bottle Green)
£12.49
11 models available
RHINO

Childrens Boys Thermal Underwear Sports Base Layer Shorts (Bottle Green)

Sold and shipped by Pertemba GB
Boys' Pro Performance Baselayer Long Sleeve Mock Neck Top
Boys' Pro Performance Baselayer Long Sleeve Mock Neck Top
£15
12 models available
TCA

Boys' Pro Performance Baselayer Long Sleeve Mock Neck Top

Sold and shipped by TCA
4.7/5 Based on 917 Reviews collected online and in stores

At Decathlon, we specialise in providing high quality sportswear at affordable prices and our kids’ range is no exception. We have everything to get kitted out - for every and any sport! From casual kids sportswear, like jackets and coats, through to jodhpurs, dance tights, cycling jerseys and skiwear. Whatever activity your child loves, ensure they’re protected, comfortable and ready to go with Decathlon.

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