Best Cotton Thermal Bottoms for Men of 2025

John Zimmer Avatar
John Zimmer
Last Updated: 31 Jan 2025

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Stay warm and comfortable during the colder months with these cotton thermal bottoms. Designed specifically for men, these bottoms provide an extra layer of insulation to keep you cosy in chilly temperatures. Made from soft and breathable cotton, they are perfect for wearing under trousers or as loungewear at home. The elasticated waistband ensures a secure and comfortable fit, while the versatile design makes them suitable for everyday wear. Don't let the cold weather stop you from enjoying your outdoor activities - invest in a pair of these cotton thermal bottoms to stay warm and snug all winter long.

At a Glance: Our Top Picks

HEAT HOLDERS Men's Thermal Long Johns Cover #TOP 1
HEAT HOLDERS Men's Thermal Long Johns
ftb score rating icon 9.8
Pack of 3 Ultra Soft Men's Thermal Trousers Cover #TOP 2
Pack of 3 Ultra Soft Men's Thermal Trousers
ftb score rating icon 9.7
Heat Stoke Men's Thermal Long Johns Pack of 2 Cover #TOP 3
Heat Stoke Men's Thermal Long Johns Pack of 2
ftb score rating icon 9.5

Top 8 Cotton Thermal Bottoms for Men

#TOP 1

HEAT HOLDERS Men's Thermal Long Johns

5019041001971
Charcoal
L-XXL
HEAT HOLDERS Men's Thermal Long Johns Cover
HEAT HOLDERS - Mens Winter Warm Cotton Thermal Underwear Bottoms Long Johns (Large (36-38" Waist), Charcoal)

The HEAT HOLDERS Thermal Bottoms are designed for ultimate comfort and warmth. The ribbed construction provides a snug fit that contours to your body, ensuring you stay comfortable all day. The soft brushed inner maximises warmth by trapping air, keeping you cosy in cold weather. With an elasticated waist, these bottoms adjust to your body shape, offering a secure fit without feeling restrictive. Made from a cotton-rich blend, they provide natural softness, making them perfect for all-day wear.

What We Like
Snug ribbed fit
Soft brushed inner
Elasticated waist
Cotton-rich blend
Available in two colours

Pack of 3 Ultra Soft Men's Thermal Trousers

Black
Pack of 3 Ultra Soft Men's Thermal Trousers Cover
Pack of 3 Mens Thermal Underwear Trousers Long Johns Base Layer Extreme Hot Brushed Inside Ultra Soft Trousers Leggings Pants Black

The orbiz Thermal Bottoms are crafted from a soft cotton and polyester blend, ensuring premium comfort while allowing breathability to keep you feeling fresh. Designed for heat retention, these thermal leggings help wick away moisture, maintaining a comfortable temperature throughout the day. Their highly flexible fabric provides a snug fit that moves with you, eliminating the discomfort of excess material. Ideal for outdoor activities, these thermal pyjamas act like a second skin, offering warmth and freedom of movement during the cold winter months.

What We Like
Ultra soft and comfy fabric
Effective heat retention
Flexible and stretchy fit
Close-fitting for outdoor activities

Heat Stoke Men's Thermal Long Johns Pack of 2

Heat Stoke
AB-1218
Black
Heat Stoke Men's Thermal Long Johns Pack of 2 Cover
Heat Stoke®️ Pack of 2 Men's Thermal Long Johns Trouser Warm Base Layer Black Charcoal White S,M,L,XL,XXL (BLACK, L)

The Heat Stoke Thermal Long Johns are designed to keep you warm during the chilly winter months. With a TOG rating of 0.45, these long johns effectively trap body heat, ensuring you stay comfortable. The brushed inside technology significantly enhances cold resistance, making them perfect for outdoor activities. Additionally, their ribbed construction fits snugly to your body, providing both warmth and style. Ideal for layering, these long johns feature an open fly design for added convenience, making them a practical choice for your winter wardrobe.

What We Like
High thermal insulation
Brushed inside for comfort
Ribbed design for better fit
Open fly for convenience
Machine washable
#TOP 4

Fruit of the Loom Men's Thermal Long Johns

WRT20932
Greystone Heather
Fruit of the Loom Men's Thermal Long Johns Cover
Fruit of the Loom Men's Recycled Premium Waffle Thermal Underwear Long Johns (1, 2, 3, and 4 Packs) Pajama Bottom, Greystone Heather, L UK

The Fruit of the Loom Long Johns are designed for comfort and warmth. Made from U.S. sourced cotton and recycled polyester, they offer a soft feel against your skin. The mini waffle fabric provides excellent insulation, keeping you warm in cold to moderately cold conditions. Additionally, the moisture-wicking and quick-drying properties ensure you stay dry, making these long johns perfect for active days. With reinforced flat seam construction, they enhance durability and comfort, allowing for a snug fit without irritation.

What We Like
Soft mini waffle fabric
Good insulation in cold weather
Moisture-wicking and quick-drying
Durable flat seam construction
#TOP 5

HEAT HOLDERS Men's Cotton Thermal Long Johns

HHMTULJXXLWTE-MPN
White
HEAT HOLDERS Men's Cotton Thermal Long Johns Cover
HEAT HOLDERS - Mens Winter Warm Cotton Thermal Underwear Bottoms Long Johns (XX-Large (42-44" Waist), White)

The HEAT HOLDERS Thermal Bottoms feature a ribbed construction that contours to your body for a secure fit, ensuring you stay comfortable throughout the day. The soft brushed inner maximises warmth by trapping air, providing you with all-day comfort. An elasticated waistband adapts to your body shape, enhancing the overall fit. Made from a cotton-rich blend, these bottoms offer natural softness and warmth, making them ideal for cold winter days.

What We Like
Secure and comfortable fit
Maximum warmth retention
Soft and natural fabric
Stylish colour options
#TOP 6

DOLCE ENVY Men's Thermal Long John Bottoms

DOLCE ENVY
Black
DOLCE ENVY Men's Thermal Long John Bottoms Cover
DOLCE ENVY Men's Thermal 2 Pack Long John Bottom Trouser Warm Base Layer for Winter Suitable for Daily Use High-Performance Bottom Trouser (XXL, Black)

The DOLCE ENVY Thermal Bottoms are crafted from a comfortable blend of 50% cotton and 50% polyester, ensuring warmth without bulk. With heat preservation technology, you can stay cosy in cold weather while enjoying lightweight wear. The breathable materials regulate your temperature, making these bottoms perfect for various activities, from hiking to casual outings. Additionally, the fabric absorbs sweat effectively, keeping you dry and fresh, even during intense exercise.

What We Like
Warm and lightweight design
Breathable for temperature control
Great for outdoor activities
Effective moisture absorption
#TOP 7

TEERFU Men's Thermal Long Johns Leggings

UK101-963-Blk-L
Black
TEERFU Men's Thermal Long Johns Leggings Cover
TEERFU Men's Midweight Thermal Underwear Pants Cotton Long Johns Leggings Base Layer Bottoms, L, Black

TEERFU Thermal Pants are designed to keep you warm during the winter months. The breathable fabric ensures that you remain comfortable, while the sturdy construction provides durability for long-lasting wear. With an excellent elastic waistband, these thermal bottoms offer a snug fit that enhances your range of motion. The pull-on closure and open fly design make them convenient for everyday use, allowing you to easily wear and remove them as needed.

What We Like
Breathable for winter warmth
Durable construction
Comfortable elastic waistband
Easy pull-on design
#TOP 8

adam & eesa Mens Thermal Long John Bottoms

2 Pack Black
adam & eesa Mens Thermal Long John Bottoms Cover
adam & eesa® Mens Thermal Long John Bottoms Pants - Adults Quick Dry Leggings Underwear Warmers - Hot Baselayer for Running Workout Pack of 2 in Sizes S M L XL XXL

The adam & eesa Thermal Bottoms are designed to keep you warm and comfortable during cold weather activities. Available in a variety of colours and sizes, they ensure a perfect fit for any body type. The ultra-soft and lightweight thermal material provides a smooth touch and is kind to your skin, reducing irritation. With excellent elasticity, these leggings allow for freedom of movement, making them ideal for running or workouts. Additionally, the quick-dry fabric keeps you active even in freezing temperatures.

What We Like
Ultra-soft and lightweight
Excellent elasticity for movement
Quick-dry material
Skin-friendly fabric
Available in various sizes
Buying Guide Image

Frequently Asked Questions (FAQs)

1. Is cotton good for thermals?

While this material is excellent for the warmer seasons, cotton can prove highly inefficient for men's long john underwear. Clothing for thermals for men should offer fantastic temperature regulation, be quick-drying, be odor-resistant, and, most of all, wicks away moisture. In the cold weather, cotton won't do this.

2. What are thermal pants called?

Long underwear, also called long johns or thermal underwear, is a style of two-piece underwear with long legs and long sleeves that is normally worn during cold weather. It is commonly worn by people under their clothes in cold countries.

Editor's Notes

During our cotton thermal bottom for men research, we found 306 cotton thermal bottom for men products and shortlisted 8 quality products. We collected and analyzed 130,268 customer reviews through our big data system to write the cotton thermal bottoms for men list. We found that most customers choose cotton thermal bottoms for men with an average price of £15.15.

The cotton thermal bottoms for men are available for purchase. We have researched hundreds of brands and picked the top brands of cotton thermal bottoms for men, including HEAT HOLDERS, orbiz, Heat Stoke, Fruit of the Loom, DOLCE ENVY. The seller of top 1 product has received honest feedback from 3,844 consumers with an average rating of 4.8.

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.