Best Sports Thermal Bottoms for Boys of 2026

John Zimmer Avatar
John Zimmer
Last Updated: 4 Feb 2026

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These sports thermal bottoms are ideal for active boys who enjoy outdoor activities in colder weather. Designed to provide warmth and comfort, these bottoms are made from high-quality materials that help to retain body heat. Whether it's football practice or a hiking trip, these thermal bottoms offer insulation and protection against the elements. With their durable construction and stylish design, they are a practical and fashionable choice for young athletes.

At a Glance: Our Top Picks

Sondico Boys Full Length Thermal Sports Pants Cover #TOP 1
Sondico Boys Full Length Thermal Sports Pants
ftb score rating icon 9.8
Roadbox Boys Compression Leggings, Youth Athletic Tights Basketball Base Layer Pants, Kids Quick Dry Legging Sports Football Cover #TOP 2
Roadbox Boys Compression Leggings, Youth Athletic Tights Basketball Base Layer Pants, Kids Quick Dry Legging Sports Football
ftb score rating icon 9.7
Gaffer Boys Thermal Bottoms - Kids Thermal Long Johns Winter Warm Underwear Cover #TOP 3
Gaffer Boys Thermal Bottoms - Kids Thermal Long Johns Winter Warm Underwear
ftb score rating icon 9.5

Top 10 Sports Thermal Bottoms for Boys

#TOP 1

Sondico Boys Full Length Thermal Sports Pants

Black
11-12 Years
Sondico Boys Full Length Thermal Sports Pants Cover
Sondico Boys Full Length Thermal Baselayer Sports Pants - Black - Age 11-12

The Sondico Thermal Sports Pants are designed to keep you warm during various sports activities, such as football, rugby, and skiing. Their full-length style provides complete coverage, ensuring comfort in cold weather. The elasticated waistband allows for a secure fit, giving you the freedom to move without restriction. Additionally, the compression fit helps support your muscles, making these pants ideal for active youths. You can easily maintain these trousers, as they are machine washable and made from a durable blend of polyester and elastane.

What We Like
Warmth in cold weather
Comfortable elasticated waistband
Supportive compression fit
Machine washable for convenience
#TOP 2

Roadbox Boys Compression Leggings, Youth Athletic Tights Basketball Base Layer Pants, Kids Quick Dry Legging Sports Football

4UK0101023_19_Medium Gray_L
1 Pack - Gray
12 Years
Roadbox Boys Compression Leggings, Youth Athletic Tights Basketball Base Layer Pants, Kids Quick Dry Legging Sports Football Cover
Roadbox Boys Compression Leggings, Youth Athletic Tights Basketball Base Layer Pants, Kids Quick Dry Legging Sports Football

Features
High-Performance Support: Designed To Offer Targeted Support And Improved Circulation. Ideal For Training Or Match Day, These Compression Tights Help Young Athletes Move Confidently And Perform At Their Best
Functional Fabric: Crafted With 4-Way Stretch, Quick-Dry Fabric For Maximum Mobility And Breathability. These Boys' Compression Leggings Keep Kids Dry, Cool, And Flexible Throughout School, Training, Or Play
Ultra Soft & Comfortable: Made With Soft-Touch Fabric And Flatlock Seams To Reduce Friction. The Ergonomic Fit Ensures Comfort Even During High-Energy Activities Like Football, Basketball, Or Gym Sessions
Moisture Wicking & Breathable: Moisture-Wicking Yarns And A Breathable Knit Pull Sweat Away From The Skin, Keeping Boys Dry And Focused—perfect As A Base Layer For Intense Sports Or Outdoor Play
Made For Outdoor Action: Great For Football, Basketball, Running, Baseball, Rugby, Skiing And More. These Youth Compression Leggings Support All Active Adventures And Make A Reliable Choice For School PE Kits Or Sports Gifts
#TOP 3

Gaffer Boys Thermal Bottoms - Kids Thermal Long Johns Winter Warm Underwear

11-12
Gaffer Boys Thermal Bottoms - Kids Thermal Long Johns Winter Warm Underwear Cover
Gaffer Boys Thermal Bottoms - Kids Thermal Long Johns Winter Warm Underwear, Soft Fleece-Lined Base Layer Pants, Lightweight and Comfortable, Use for Outdoor Black-Charcoal-White - Bottom 11-12

Features
Soft, Breathable & Skin-Friendly Fabric: Made From Lightweight Materials That Feel Gentle On The Skin. The Fabric Offers Breathability And All-Day Comfort, Ensuring Your Child Stays Warm Without Irritation Or Overheating
Ultimate Warmth For Winter Days: Keep Your Child Warm All Winter With These Thermal Bottoms. Designed With A Soft Fleece Lining, They Trap Body Heat Efficiently, Making Them Perfect For Outdoor Play, School, Or Chilly Nights At Home
Stretchy Fit For Active Kids: These Long Johns Offer A Flexible, Snug Fit That Moves With Your Child. The 4-Way Stretch Fabric And Elastic Waistband Allow Freedom Of Movement During Outdoor Sports, Layering Under Clothes, Or Lounging
Ideal Base Layer For Cold Weather: A Must-Have Base Layer Under Snow Pants Or School Uniforms. Lightweight Yet Insulating, These Thermal Bottoms Are Perfect For Layering Without Adding Bulk. Suitable For Skiing, Hiking, Camping, Or Everyday Wear
Easy Care – Machine Washable: Durable And Easy To Maintain, These Boys' Thermal Pants Hold Their Shape And Softness After Every Wash. Just Toss Them In The Machine – Perfect For Busy Parents And Everyday Winter Wear
#TOP 4

Heatwave Pack of 2 Boys Thermal Trousers Long Johns Black Winter Warm Underwear Baselayer Camping Ski Pants School wear

RZKtextile
Black
14-15 Years
Heatwave Pack of 2 Boys Thermal Trousers Long Johns Black Winter Warm Underwear Baselayer Camping Ski Pants School wear Cover
Heatwave Pack of 2 Boys Thermal Trousers Long Johns Black Winter Warm Underwear Baselayer Camping Ski Pants School wear, 14-15 Years Black

Features
QUALITY: Boys Long John Crafted From 50% Cotton And 50% Polyester. With A TOG Rating Of 0.45, This Set Ensures Excellent Insulation, Keeping You Cozy In Cold Weather, And Making It An Ideal Choice For Indoor And Outdoor Activities.
HEATWAVE Offers A Comprehensive Range Of Essential Items, Including t-Shirts, Long Sleeves, Long Johns, Trousers, And Bedding Products, Designed With Premium Materials And Superior Craftsmanship, Ensuring Optimal Comfort, Style, And Performance For All Your Indoor And Outdoor Needs.
Size Instruction: Our Boys' Long Johns Cater To Various Ages: 3-5 Years, 6-8 Years, 9-11 Years, 12-13 Years, And 14-15 Years. This Range Ensures A Cozy Fit At Every Stage Of Childhood And Adolescence. Utilize Our Size Guide To Find The Right Fit For Unrestricted Movement And Lasting Comfort.
KEEP WARM AND DRY: Boys Long John Include Moisture-Wicking Fabric To Keep You Dry And Warm In Temperatures Below 30°F (0°C). They Also Feature A Fleece Inside To Keep You Warm And Cosy.
It Is Ideal For Those Who Enjoy Outdoor And Winter Sports Including Hiking, Camping, Skiing, And Snowboarding. Since The Elastic Seams Are Flexible And Won't Bunch Up Or Fall Down During Daily Activities.
#TOP 5

Gaffer Boys Thermal Bottoms - Kids Thermal Long Johns Winter Warm Underwear

3PK_BCW
11-12
Gaffer Boys Thermal Bottoms - Kids Thermal Long Johns Winter Warm Underwear Cover
Gaffer Boys Thermal Bottoms - Kids Thermal Long Johns Winter Warm Underwear, Soft Fleece-Lined Base Layer Pants, Lightweight and Comfortable, Use for Outdoor Charcoal - 3 Pack Bottom 11-12

Features
Soft, Breathable & Skin-Friendly Fabric: Made From Lightweight Materials That Feel Gentle On The Skin. The Fabric Offers Breathability And All-Day Comfort, Ensuring Your Child Stays Warm Without Irritation Or Overheating
Ultimate Warmth For Winter Days: Keep Your Child Warm All Winter With These Thermal Bottoms. Designed With A Soft Fleece Lining, They Trap Body Heat Efficiently, Making Them Perfect For Outdoor Play, School, Or Chilly Nights At Home
Stretchy Fit For Active Kids: These Long Johns Offer A Flexible, Snug Fit That Moves With Your Child. The 4-Way Stretch Fabric And Elastic Waistband Allow Freedom Of Movement During Outdoor Sports, Layering Under Clothes, Or Lounging
Ideal Base Layer For Cold Weather: A Must-Have Base Layer Under Snow Pants Or School Uniforms. Lightweight Yet Insulating, These Thermal Bottoms Are Perfect For Layering Without Adding Bulk. Suitable For Skiing, Hiking, Camping, Or Everyday Wear
Easy Care – Machine Washable: Durable And Easy To Maintain, These Boys' Thermal Pants Hold Their Shape And Softness After Every Wash. Just Toss Them In The Machine – Perfect For Busy Parents And Everyday Winter Wear
#TOP 6

Columbia Midweight Tight 2 Kids Base Layer Bottom

Columbia
1566811
Black
Columbia Midweight Tight 2 Kids Base Layer Bottom Cover
Columbia Midweight Tight 2 Unisex Kids Base Layer Bottom

The Columbia Midweight Tight 2 offers excellent moisture management with its Omni-Wick technology, keeping you dry by efficiently drawing sweat away from your skin. Its breathable and quick-drying fabric ensures you stay comfortable during active play or chilly days. Thanks to an elastic waistband and ergonomic seams, the fit is snug yet flexible, providing high wearing comfort without restriction. Additionally, the antimicrobial treatment helps protect against bacterial growth, keeping the tights fresher for longer. This makes the Columbia Midweight Tight 2 a reliable and comfortable choice for kids in cooler weather.

What We Like
Effective moisture-wicking
Breathable and quick-drying
Comfortable elastic waistband
Ergonomic seam design
Antimicrobial protection
#TOP 7

SOFTY Thermal Long John for Kids

Charcoal
9-11 Years
SOFTY Thermal Long John for Kids Cover
2 Piece Unisex Children Girls Boys Kids Thermal Long John Warm Bottom (UK, Age, 9 Years, 11 Years, Regular, Charcoal)

The SOFTY Thermal Bottoms are designed for comfort and functionality. They are machine washable, making them easy to care for after outdoor play. The excellent wicking rate effectively draws sweat away from your skin, keeping you dry and comfortable during chilly days. With ribbed fabric, these bottoms offer added stretch, ensuring a snug fit that allows for freedom of movement. The body contouring feature guarantees a perfect fit, so you can stay warm without feeling restricted.

What We Like
Machine washable
Excellent moisture wicking
Ribbed for extra comfort
Perfect body contouring fit

Nikaro Kids Thermal Baselayer Trousers

Charcoal
12-13 Years
Nikaro Kids Thermal Baselayer Trousers Cover
Nikaro Kids Baselayer Thermal Ribbed Underwear Trousers Winter Ski Hiking Brushed Cotton Soft Long John (12-13 years) Charcoal

The Nikaro Thermal Trousers are designed for winter adventures, offering essential thermal insulation to keep your child warm in cold weather. Their ribbed design not only adds a stylish touch but also enhances flexibility, allowing for unrestricted movement during active play. Made from brushed cotton, these trousers provide a soft and cozy layer against the skin, ensuring comfort while keeping the cold at bay. With a thickness of 158 Denier, they create a substantial barrier, making them suitable for various winter activities.

What We Like
Effective thermal insulation
Flexible ribbed design
Soft brushed cotton material
Substantial thickness for warmth
#TOP 9

orbiz Pack of 2 Kids Thermal Underwear Charcoal Unisex Boys Girls Long Johns Children Trousers Winter Warm Pants

KTBB2
Charcoal
13 Years
orbiz Pack of 2 Kids Thermal Underwear Charcoal Unisex Boys Girls Long Johns Children Trousers Winter Warm Pants Cover
orbiz Pack of 2 Kids Thermal Underwear Charcoal Unisex Boys Girls Long Johns (Bottoms) Children Trousers Winter Warm Pants

Features
[Versatile Performance] Thermal Underwear Boys Can Wear These As Casual Base Layers To Keep Warm In School, Or Wear Them For Thermal Underwear For Sports, Even They Can Be Thermal Long Johns As You Need
[Ultra Soft & Warm] These Kids Thermals Long Johns Fabrics Are Made Of 50% Cotton And 50% Polyester. Underwear Set Cotton Blend Fabric Of The Baselayer Caresses The Skin So Naturally Providing Maximum Comfort And Softness.
[Machine Washable] Boys Thermal Bottoms
[Lightweight & Quick Dry] Our Kids Thermal Base Layer Set Use Quick Dry Fibers, They Can Keep You Comfortable And No Worry About Sweat Soaked
[Layer Up] Long Johns For Kids Are Perfect As A Base Layer. They Have No Added Bulk So They Fit Under Your Boy's Regular Clothes Easily For Added Protection From The Cold.
[Flexes & Stretches] This Kids Base Layer Is Designed To Give Flexibility By Hugging The Body And Stretching With Any Movements, They Will Retain Warmth Without Sacrificing Range Of Motion Or Comfort.

Indigo Soul Kids Thermal Long Johns Bottoms

Black
6 Years
Indigo Soul Kids Thermal Long Johns Bottoms Cover
Indigo Soul Kids Thermal Underwear Long Johns Bottom Boys Warm Winter Trouser Leggings, Black, 6-7 Years

The Indigo Soul Thermal Bottoms are perfect for keeping your child warm during the colder months. Made from a soft blend of 50% cotton and 50% polyester, these thermal trousers offer a cosy fit that ensures comfort throughout the day. They are designed for both boys and girls, making them a versatile choice for winter wear. Available in sizes ranging from 4-5 years to 10-11 years, you can easily find the right fit for your child, ensuring they stay snug and relaxed in any winter activity.

What We Like
Soft and warm material
Available in various sizes
Unisex design for boys and girls
Cosy fit for winter activities
Buying Guide Image
Editor's Notes

During our sports thermal bottom for boys research, we found 78 sports thermal bottom for boys products and shortlisted 10 quality products. We collected and analyzed 2,692 customer reviews through our big data system to write the sports thermal bottoms for boys list. We found that most customers choose sports thermal bottoms for boys with an average price of £16.14.

The sports thermal bottoms for boys are available for purchase. We have researched hundreds of brands and picked the top brands of sports thermal bottoms for boys, including Sondico, Roadbox, Gaffer, Heatwave Thermalwear, Columbia.

Written by
John Zimmer Avatar

John Zimmer is a truly professional writer on findthisbest.com. He has specialized in writing content a wide variety of fields for over a decade. Since 2011, he has been using his expertise and extensive experience to write content for online shopping guide websites. In addition to writing for findthisbest.com, he has appeared in publications such as The Spruce, Wirecutter and Bestbuy.