Best Thermal Bottoms for Girls of 2026

John Zimmer Avatar
John Zimmer
Last Updated: 9 Feb 2026

* We independently evaluate all recommended products and services. If you click on links we provide, we may receive compensation.

These thermal bottoms are a practical and cozy addition to any girl's winter wardrobe. Designed to provide extra warmth and insulation, these bottoms are perfect for layering under skirts or trousers. Made from a soft and comfortable fabric, they offer excellent heat retention without compromising on comfort. Whether for outdoor activities or simply keeping warm at home, these thermal bottoms are a reliable choice for girls looking to stay snug during the colder months.

At a Glance: Our Top Picks

LAPASA Kids Merino Wool Thermal Bottoms Cover #TOP 1
LAPASA Kids Merino Wool Thermal Bottoms
ftb score rating icon 9.8
CMP Women's White XL Sweatshirt Cover #TOP 2
CMP Women's White XL Sweatshirt
ftb score rating icon 9.7
FALKE Kids Wool-Tech Thermal Base Layer Bottoms Cover #TOP 3
FALKE Kids Wool-Tech Thermal Base Layer Bottoms
ftb score rating icon 9.5

Top 4 Thermal Bottoms for Girls

#TOP 1

LAPASA Kids Merino Wool Thermal Bottoms

Brown (Bottom)
13 Years
LAPASA Kids Merino Wool Thermal Bottoms Cover
LAPASA Kids Unisex Merino Wool Base Layer Bottom Winter Pants for Girls Boys K14, Brown, 13 Years

The LAPASA K14 Thermal Pants are made from 100% merino wool, ensuring warmth and comfort in cold weather. The 200g/m² interlock knit fabric is soft against the skin and is designed to stretch with your child's movements, allowing for flexibility and ease. These pants wick away moisture, keeping your child cosy without the itchiness often associated with wool. Furthermore, the breathable material offers effective insulation, maintaining comfort whether it's hot or cold outside, making them an excellent choice for every season.

What We Like
Soft and itch-free material
Excellent moisture-wicking
Flexible and stretchy design
Effective insulation for all seasons
#TOP 2

CMP Women's White XL Sweatshirt

CMP
3Y06256
White
CMP Women's White XL Sweatshirt Cover
CMP - Woman Sweat, White, XL

The CMP Women's Sweatshirt is designed for functionality and comfort. Its highly functional fabric ensures you stay warm and comfortable during various activities. The flatlock seams provide a smooth finish, reducing chafing and irritation, making it ideal for extended wear. Additionally, the perfect fit means you can move freely without feeling restricted, allowing you to enjoy your day with ease. This sweatshirt is a great choice for anyone looking for a reliable and stylish addition to their wardrobe.

What We Like
Highly functional design
Flatlock seams for comfort
Perfect fit for freedom of movement
#TOP 3

FALKE Kids Wool-Tech Thermal Base Layer Bottoms

31924
FALKE Kids Wool-Tech Thermal Base Layer Bottoms Cover
FALKE Unisex Kids Wool-Tech Long K Ti Functional Yarn Quick Dry 1 Piece Base Layer Bottom, Grey Grey-Heather 3757, 3-4

The FALKE Wool-Tech Tights are perfect thermal sports leggings for boys and girls, designed to keep you warm in cold outdoor temperatures. Made from a soft merino wool blend, they offer excellent protection whether worn alone or under shorts. The double layer fabric helps keep your body dry and comfortable during activities like skiing or hiking, while the odour-neutralising effect keeps you fresh. These tights fit comfortably with a seamless finish, allowing you freedom of movement without pressure points, so you can perform at your best.

What We Like
Soft merino wool blend
Double-layer keeps dry
Odour-neutralising effect
Seamless for comfort
Ideal for cold weather
#TOP 4

Löffler Transtex Children's Long Warm Underwear Black

LÖFFLER
10757
Black - black
Löffler Transtex Children's Long Warm Underwear Black Cover
Löffler Transtex Children's Long Warm Underwear Black black Size:128 (EU)

The Löffler Transtex Underwear is designed with Transtex warm material, providing excellent insulation to keep you cosy during colder days. Its two-layer technology ensures both warmth and breathability, making it perfect for active children. The fabric offers optimum wicking, which helps draw moisture away from the skin, keeping you dry and comfortable. Additionally, the soft and smooth texture feels gentle on the skin, so you can wear it for long periods without irritation. This underwear is ideal for moderate to intense sports activities, giving you warmth and comfort throughout.

What We Like
Effective warmth retention
Two-layer breathable design
Excellent moisture wicking
Soft and smooth fabric
Buying Guide Image
Editor's Notes

During our thermal bottom for girls research, we found 24 thermal bottom for girls products and shortlisted 4 quality products. We collected and analyzed 3,108 customer reviews through our big data system to write the thermal bottoms for girls list. We found that most customers choose thermal bottoms for girls with an average price of £20.00.

The thermal bottoms for girls are available for purchase. We have researched hundreds of brands and picked the top brands of thermal bottoms for girls, including LAPASA, CMP, FALKE.

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.