Best Modern Thermal Bottoms for Men of 2025

John Zimmer Avatar
John Zimmer
Last Updated: 31 Jan 2025

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These modern thermal bottoms are designed to provide maximum warmth and comfort during the colder months. Made with high-quality materials, they offer excellent insulation while ensuring breathability. The innovative design features a snug fit that allows for easy layering under trousers or jeans. With their stylish appearance and practical functionality, these thermal bottoms are a must-have addition to any man's winter wardrobe. Stay cosy and stylish with these modern thermal bottoms.

At a Glance: Our Top Picks

Heat Stoke Men's Thermal Long Johns Pack Cover #TOP 1
Heat Stoke Men's Thermal Long Johns Pack
ftb score rating icon 9.9
Heatwave® Pack of 2 Men's Thermal Trousers Long Johns Warm Underwear Baselayer Thermals Cover #TOP 2
Heatwave® Pack of 2 Men's Thermal Trousers Long Johns Warm Underwear Baselayer Thermals
ftb score rating icon 9.8
DOLCE ENVY Men's Thermal 2 Pack Long John Bottom Trouser Warm Base Layer Cover #TOP 3
DOLCE ENVY Men's Thermal 2 Pack Long John Bottom Trouser Warm Base Layer
ftb score rating icon 9.6

Top 10 Modern Thermal Bottoms for Men

#TOP 1

Heat Stoke Men's Thermal Long Johns Pack

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

The Heat Stoke Thermal Long Johns are designed to keep you warm during the cold winter months. With a TOG rating of 0.45, these long johns effectively trap body heat, ensuring you stay comfortable. The brushed inside technology enhances cold resistance, providing extra warmth. Additionally, the ribbed construction fits your body perfectly, while the open fly design adds convenience. Made from a blend of 50% cotton and 50% polyester, these long johns are both soft and durable, making them an excellent choice for chilly days.

What We Like
Excellent heat retention
Brushed inside for added warmth
Comfortable ribbed fit
Convenient open fly design
Soft cotton-polyester blend
#TOP 2

Heatwave® Pack of 2 Men's Thermal Trousers Long Johns Warm Underwear Baselayer Thermals

RZKtextile
Black
Heatwave® Pack of 2 Men's Thermal Trousers Long Johns Warm Underwear Baselayer Thermals Cover
Heatwave® Pack of 2 Men's Thermal Trousers Long Johns Warm Underwear Baselayer Thermals, Medium Black

Features
0.45 TOG RATING- Hold More Warm Air Close To The Skin
Pack Of 2 Men's Thermal Trousers Long Johns Warm Underwear Baselayer
Heatwave Thermalwear
Comfort Fit, The Ribbed Construction Shapes To The Contours Of The Body
Colour: White, Blue And Charcoal And Black
#TOP 3

DOLCE ENVY Men's Thermal 2 Pack Long John Bottom Trouser Warm Base Layer

DOLCE ENVY
Charcoal
DOLCE ENVY Men's Thermal 2 Pack Long John Bottom Trouser Warm Base Layer 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 (Large, Charcoal)

Features
Men's Thermal Bottoms With Heat Preservation Technology Ensure You Stay Warm And Lightweight. Long Johns For Men's Thermal Leggings Provide Excellent Thermals And Wind Protection In Cold Weather, Reducing Heat Loss, And Are Never Cumbersome.
Dolce Envy Pack Of 2 Men's Thermal Long John Bottom Trouser Underwear Is Made Of 50% Cotton, And 50% Polyester. Sizes And Colours: Small, Medium, Large, XL, XXL Black, Charcoal, White
The Mens Thermal Long John Bottom Trouser Are Great Choices For Various Indoor And Outdoor Activities, Like Hiking, Skiing, Jogging, Cycling, Motorcycle Riding, Running, Climbing, Training, Yoga, Snowboarding, And Hunting Or Fishing.
Men's Thermal Base Layer Features Breathable Cotton Polyester Fabric Which Will Absorb Sweat From Exercise Instantly, And Stay Away From Unpleasant Smells To Keep You Dry And Cozy.
Breathable Materials Ensure Optimal Temperature Regulation During Various Activities.Versatile Style Suitable For Both Outdoor Activities And Casual Wear.
#TOP 4

Pack of 3 Mens Thermal Underwear Trousers Long Johns Base Layer Extreme Hot Brushed Inside Ultra Soft Trousers Leggings Pants Charcoal

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

Features
Heat Retention When It Comes To Warmth And Everyday Wear, These Mens Thermal Leggings Are Designed Specifically For You To Stay Protected From The Cold.Base Layer Mens Wick Away Moisture To Maintain A Comfortable Temperature.
Premium Comfort Thermal Underwear Mens 3 Pack Long John Set Is Made From 50% Cotton, 50% Polyester Blends That Feels Ultra Soft And Comfy, Offers Breathability Allowing Odor To Escape, Delivering A Comfortable And Beat The Cold Weather.
100% Satisfaction Guarantee Thermal Trousers Men Warmth Is The Best Expression Of Love In The Cold Winter! Men Long Johns Thermal Set Will Be The First-Choice Gift For Christmas, New Year, Birthday, And Valentine's Day. If You Have Any Problem About Thermal For Men, Please Be Sure To Connect Us
Highly Flexible Men's Thermal Underwear Features 4 Way Stretchy And Compression Fabric For A More Flexible Fit To Your Body Without Bound Feeling, Allowing You To Move Freely. Meanwhile Mens Pants Better Keep Warm Without Losing Body Heat.
All-Day Warm And Comfortable Mens Thermal Pyjamas Close-Fitting Like A Second Skin, So That You Don't Have To Deal With Excess Fabric Bunching And Gives You A Lot More Freedom To Enjoy The Outdoors. It's The Best Thermal Clothing For Winter.
#TOP 5

Mountain Warehouse Talus Mens Thermal Baselayer Trousers

023199005005
Black
Mountain Warehouse Talus Mens Thermal Baselayer Trousers Cover
Mountain Warehouse Talus Mens Thermal Baselayer Trousers - Lightweight & Breathable Pants - for Camping, Hiking & Outdoors Black L

Features
Moisture Wicking - Actively Wicks Moisture Away From Your Body And Dries Quickly
Isotherm - Densely Packed Fibres To Retain Heat & Warmth Without Adding Weight Or Discomfort
Quick Drying - Thanks To The Fabric Composition, Water Dries Quickly Making It Great For Holiday Wear And Washing
Lightweight - Comfortable To Wear, Pack And Travel With. Ideal For Active Use
2 Year Warranty - Includes A 2-Year Warranty For Guaranteed Quality And Peace Of Mind
#TOP 6

elegance1234 Men's 100% Pure Thick Cotton Soft Underwear Long Johns Thermal Underwear

1190
Dark Grey
elegance1234 Men's 100% Pure Thick Cotton Soft Underwear Long Johns Thermal Underwear Cover
elegance1234 Men's 100% Pure Thick Cotton Soft Underwear Long Johns Thermal Underwear (L, Dark Grey)

Features
100% Cotton And The Naturally Breathable Fabric Comes In Five Fab Shades
Long John And Y Front Brief Styles
The Modern Classic Long Johns Use A Soft High Quality Cotton These Modern Classic Long Johns Are Available In Black, White, Navy, Light Grey And Cream
Men's Underwear Lends A Helping Hand To See You Through The Chilly Winter Months.
Elegance1234
#TOP 7

Pack of 2 Men's Thermal Trousers Long Johns Warm Underwear Baselayer

5010960667491
Black
Pack of 2 Men's Thermal Trousers Long Johns Warm Underwear Baselayer Cover
Pack of 2 Men's Thermal Trousers Long Johns Warm Underwear Baselayer, S M L XL XXL Thermals (M, Black)

Features
Comfort Fit, The Ribbed Construction Shapes To The Contours Of The Body
Pack Of 2 Men's Thermal Trousers Long Johns Warm Underwear Baselayer
Colour: White, Blue And Charcoal And Black
50% Cotton, 50% Polyester Machine Wash
0.45 TOG RATING- Hold More Warm Air Close To The Skin
#TOP 8

Gaffer 2 Pack Mens Thermal Bottom Long Johns Trousers Warm Underwear Baselayer Thermals Winter Ski Wear CHC XL

fcdf49aa-340f-430e-a79c-62a542ba07a1
Gaffer 2 Pack Mens Thermal Bottom Long Johns Trousers Warm Underwear Baselayer Thermals Winter Ski Wear CHC XL Cover
Gaffer 2 Pack Mens Thermal Bottom Long Johns Trousers Warm Underwear Baselayer Thermals Winter Ski Wear CHC XL

Features
TOG RATING- Hold More Warm Air Close To The Skin
Pack Of 2 Men's Thermal Long Sleeve Top, Warm Underwear Baselayer
Thermal Underwear Base Layers With A Soft Brushed Inner Made From An Advanced Insulating Yarn Giving Them High Performance Insulation.
Heatwave Thermalwear
Comfort Fit, The Ribbed Construction Shapes To The Contours Of The Body
#TOP 9

INNERSY Mens Thermal Leggings Black Base Layer Bottoms Long Johns Winter Pyjamas Pants 2 Packs

Black
INNERSY Mens Thermal Leggings Black Base Layer Bottoms Long Johns Winter Pyjamas Pants 2 Packs Cover
INNERSY Mens Thermal Leggings Black Base Layer Bottoms Long Johns Winter Pyjamas Pants 2 Packs (M, Black)

Features
THERMAL LONG JOHNS WITH FLY: These Mens Base Layer Leggings With A Practical Open Fly, Easy To Work And Keep Warm In Cold Weather. Our Thermal Pants For Men Have An Elasticated Waistband, Sporty, Soft And Stretchy, Tuck Top Into Thermal Long Johns, Keep Warmth In
LIGHTWEIGHT THERMAL BOTTOMS: Innersy Mens Thermal Bottoms Use Light Thickness Fabric, Smooth Outside And Thin Fleece Inside, Snug Fit But Not Tight Or Bulky. Our Soft Mens Thermals Keep You Warm All Day, A Great Christmas/New Year Gift For Your Family And Friends, Suitable For Winter Above Zero
TAG-FREE & WASH WELL: Innersy Long Johns For Men Thermal 2 Pack Have No Itchy Labels, The Printed Labels Will Fall Off After Several Washes. These Thermal Underlayer Bottoms Are Machine Washable, And Dry Quickly, We Recommend Nature Drying For More Durable
OUTDOOR & INDOOR WEAR: Our Mens Thermal Underwear Are Nice For Outdoor Activities, Cycling, Skiing, Running, Hiking Or Walking The Dogs In Cold Weather, Keep Warm Without Restricting Movement. Also Can Be Worn As Thermal Pyjamas, Or Under Your Work Uniform In The Cold Workplace
COMFY THERMAL INNER WEAR: These Mens Skins Base Layer With High Elasticity, Suitable For Different Body Types. Our Thermal Leggings Men Provide Maximum Freedom Of Movement While Doing Sports, Keep You Flexible. And They Are Soft To Touch, Combine Warmth And Comfort, Make The Winter Easy
#TOP 10

SIMIYA Thermal Underwear Mens Long Johns

2 Pack Black Grey
SIMIYA Thermal Underwear Mens Long Johns Cover
SIMIYA Thermal Underwear Mens Long Johns, Thermal Leggings Bottoms for Men, Fleece-Lined Base Layer Trousers for Daily Wear, Winter Outdoor, Pack of 2 (Black Grey,S/M)

Features
SWEAT WICKING - Want A Warm And Dry Outdoor Workout On Those Bone-Biting Chilly Days? Try Our Breathable Long Johns For Men Thermal. Thermal Underwear Mens With Good Moisture Control Tech, They Are Sweat Wicking, Keeping You Warm And Dry At The Same Time. No More Wet Cold Legs!
QUITE WARM - Lined With Soft Fleece, Made Of Skin-Friendly Fabric, 94% Polyester And 6% Spandex, Our Men's Long Johns Can Capture Body Heat And Well Keep The Cold Off. They Snugly Fit Like Your Second Skin, Keeping Your Legs Cozy Warm Without Being Too Bulky Underneath Pants. An Essential Versatile Piece For Your Cold-Weather Wardrobe!
SUPER ELASTIC - Thanks To The Ultra Elastic Fabric, Our Thermal Bottoms For Men Allows To Move Flexibly Without Bondage Either Alone Or With Pants. You'll Always Feel Comfortable While On The Move. And Feature Fly Hole Design For Men, Quite Convenient For Daily Life.
FOR INDOORS & OUTDOORS - Wear Our Men's Thermal Underwear Pants Under Attire, Ski Pants, Or As Everyday-Pants. You'll Find Yourself Reaching For Them At Home, Office, Or For Winter Running, Hiking And Cycling. Please Contact Us If Any Question.
COMFY THERMAL PANTS - The Ribbed Waistband Is Widen And Of High Elasticity, Which Ensures A Comfortable Fit. Won't Slip Off Or Roll Down While Fitting Most Figures. Also, The Elastic Ribbed Cuff At Bottom Effectively Blocks The Cold And Keep You Warm. It's A Pair Of Comfy Men's Thermals Helps Keeping Cold Wind At Bay.
Buying Guide Image
Editor's Notes

During our modern thermal bottom for men research, we found 125 modern thermal bottom for men products and shortlisted 10 quality products. We collected and analyzed 82,157 customer reviews through our big data system to write the modern thermal bottoms for men list. We found that most customers choose modern thermal bottoms for men with an average price of £15.69.

The modern thermal bottoms for men are available for purchase. We have researched hundreds of brands and picked the top brands of modern thermal bottoms for men, including Heat Stoke, Heatwave Thermalwear, DOLCE ENVY, orbiz, Mountain Warehouse. The seller of top 1 product has received honest feedback from 684 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.