Best Thermal Bottoms for Women of 2026

John Zimmer Avatar
John Zimmer
Last Updated: 4 Feb 2026

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Thermal bottoms are a must-have addition to any woman's winter wardrobe. Designed to provide warmth and insulation, these garments are perfect for layering under trousers or skirts during colder months. Made from high-quality materials, thermal bottoms offer a comfortable fit and are available in a range of sizes and colours to suit different preferences. With their ability to retain heat and keep the body warm, these thermal bottoms are an essential item for staying cosy and comfortable throughout the winter season.

At a Glance: Our Top Picks

SINOPHANT Fleece Lined Thermal Leggings Cover #TOP 1
SINOPHANT Fleece Lined Thermal Leggings
ftb score rating icon 9.8
TNNZEET Women's High Waisted Fleece Lined Leggings Cover #TOP 2
TNNZEET Women's High Waisted Fleece Lined Leggings
ftb score rating icon 9.7
AMIYOYO Women's Thermal Leggings with Pockets Cover #TOP 3
AMIYOYO Women's Thermal Leggings with Pockets
ftb score rating icon 9.5

Top 6 Thermal Bottoms for Women

SINOPHANT Fleece Lined Thermal Leggings

Black
SINOPHANT Fleece Lined Thermal Leggings Cover
SINOPHANT Fleece Lined Leggings for Women, Soft Elastic High Waisted Thermal Warm Winter Thick Yoga Pants(1Black, S-M)

SINOPHANT Thermal Leggings are designed to provide warmth and comfort, making them perfect for chilly weather. The soft inner fleece captures heat, ensuring you stay cosy while looking stylish. With a high-waisted design, these leggings offer excellent tummy control, helping you achieve a smoother silhouette. The squat proof stretchy fabric moves with your body, providing support and enhancing your curves. You can wear them for various activities, from yoga to hiking, keeping you comfortable and fashionable throughout autumn and winter.

What We Like
Warm and comfortable fleece lining
Effective tummy control
Squat proof and stretchy fabric
Versatile for various activities
Stylish design for winter wear
#TOP 2

TNNZEET Women's High Waisted Fleece Lined Leggings

TNNZEET
Black
TNNZEET Women's High Waisted Fleece Lined Leggings Cover
TNNZEET Fleece Lined Leggings Women UK High Waisted Thermal Pants Womens in Winter(Black,L)

The TNNZEET Fleece Leggings are crafted from a soft blend of 92% polyester and 8% spandex, ensuring you stay comfortable and unrestricted throughout your day. Their thermal fleece lining traps heat effectively, keeping you warm during chilly weather. With a high-waisted design and a wide 5.3-inch waistband, they offer excellent tummy control and a perfect fit that moves with you, avoiding any slipping or rolling. Available in various sizes and classic colours, these leggings are ideal for pairing with casual or sporty outfits, making them versatile for many winter activities.

What We Like
Ultra soft, stretchy fabric
Thick thermal fleece lining
High waistband for tummy control
Available in multiple sizes and colours
Non-see-through and durable
#TOP 3

AMIYOYO Women's Thermal Leggings with Pockets

AMIYOYO
Black
L-XL
AMIYOYO Women's Thermal Leggings with Pockets Cover
AMIYOYO Thermal Leggings Women with Pockets High Waist Fleece Lined Leggings Warm Winter Fur Yoga Pants Tummy Control Trousers Soft Stretchy Tights Workout Yoga Gym Running

The AMIYOYO Thermal Leggings are designed for comfort and practicality. With two convenient pockets, you can easily store your mobile phone or keys while exercising, making it ideal for running or yoga. The high-waisted design offers tummy control, enhancing your figure without any discomfort during workouts. Lined with soft fleece, these leggings trap warmth, keeping you cosy whether you're at home or outdoors. The stretchy material ensures a snug fit that moves with you, providing confidence in every stride.

What We Like
Two functional pockets
High-waisted tummy control
Soft fleece lining
Stretchy and comfortable
#TOP 4

Sanpetix Women's Thermal Fleece Lined Leggings

Sanpetix
Black
L-XL
Sanpetix Women's Thermal Fleece Lined Leggings Cover
Sanpetix Women's Fleece Lined Leggings, Thermal Leggings High Waist for Women Black 1 Pack LXL

The Sanpetix Thermal Leggings are designed to keep you warm while remaining breathable, allowing you to stay comfortable even during intense activities. The four-way stretching fabric ensures that you have plenty of movement, making them ideal for yoga or casual outings. With a non-see-through blend of 92% polyester and 8% elastane, you can enjoy full coverage and privacy no matter what you're doing. The high-waisted style not only provides support but also flatters your figure, helping you feel confident in any setting.

What We Like
Breathable and thermal
Comfortable four-way stretch
Non-see-through fabric
High-waisted for support
Stylish for various activities
#TOP 5

RASH ACCESSORIES Thermal Winter Fleece Leggings

5060911866947
Black
10-12
RASH ACCESSORIES Thermal Winter Fleece Leggings Cover
Rash Accessories Womens Ladies New Thermal Bottoms Winter Tights Warm Black Thick Fur Fleece Lined Cosy Legging Soft Elastic High Waist Gym Sports Workout Running (10-12,Black)

The RASH ACCESSORIES Fleece Leggings are designed to keep you warm throughout the winter months. With a thermal fur fleece lining, these leggings provide exceptional warmth and comfort, allowing you to stay cosy without feeling weighed down. The windproof outer fabric helps lock in heat, while the stretchable material ensures ease of movement, making them perfect for outdoor activities. Whether you're going for a run or simply walking the dog, these leggings offer maximum comfort for everyday wear.

What We Like
Super warm for winter
Stretchable for easy movement
Windproof outer fabric
Ideal for outdoor sports
Lightweight and comfortable
#TOP 6

Gadgets Mafia High Waisted Thermal Leggings

Black
10-12
Gadgets Mafia High Waisted Thermal Leggings Cover
Gadgets Mafia Women’s Thermal Leggings, Black, Size M/L (UK 10–12) – High Waist Fleece Lined Winter Yoga Pants, Non-See-Through 4-Way Stretch Tights for Running, Hiking, Gym

Stay warm and comfortable this winter with the Gadgets Mafia Thermal Leggings. These leggings are lined with thick fleece, providing excellent warmth for chilly days. Their high elasticity means they stretch easily, ensuring a perfect fit for all body types. You can wear them in temperatures as low as -45℃, making them ideal for extreme cold. Plus, they are 100% windproof, so you won't have to worry about biting winds ruining your outdoor plans. Enjoy the ultimate comfort and protection this winter!

What We Like
Warm fleece lining
High elasticity for perfect fit
Suitable for extreme temperatures
100% windproof design
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What is the best brand of thermals?

Best Overall: Thermajane Thermal Underwear Set. Best Affordable Option: Amazon Essentials Thermal Long Underwear Set. Best Wool Option: Smartwool Merino 250 Wool Base Layer Top & Bottom. Best Silk Option: L.L.Bean Silk Pointelle Top & Bottom.

2. Is base layer the same as thermal?

Thermal clothing is versatile clothing and comes in different fabrics and styles that will benefit various climates, conditions and activities. In most cases, they will be made from a synthetic material and can be called base layers, thermals or compressions.

Editor's Notes

During our thermal bottom for women research, we found 306 thermal bottom for women products and shortlisted 6 quality products. We collected and analyzed 14,640 customer reviews through our big data system to write the thermal bottoms for women list. We found that most customers choose thermal bottoms for women with an average price of £20.00.

The thermal bottoms for women are available for purchase. We have researched hundreds of brands and picked the top brands of thermal bottoms for women, including SINOPHANT, TNNZEET, AMIYOYO, Sanpetix, RASH ACCESSORIES.

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.