Best Machine Washable Thermal Bottoms for Men of 2026

John Zimmer Avatar
John Zimmer
Last Updated: 4 Feb 2026

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These machine washable thermal bottoms are a practical and comfortable option for men seeking warmth during colder months. Made with high-quality materials, these bottoms provide insulation and help to retain body heat. With a range of sizes and styles available, these thermal bottoms are suitable for various activities, from outdoor adventures to lounging at home. Their durability ensures they can withstand regular washing without losing their shape or effectiveness. Stay cosy and stylish with these machine washable thermal bottoms.

At a Glance: Our Top Picks

ER Direct Men's Thermal Long John Winter Underwear Bottom Trouser, Polyester, S-6XL, Stretchable, Classic Style, Machine Washable Cover #TOP 1
ER Direct Men's Thermal Long John Winter Underwear Bottom Trouser, Polyester, S-6XL, Stretchable, Classic Style, Machine Washable
ftb score rating icon 9.8
BLOOM BLENDS Pack of 2 Men’s Thermal Trousers Long Johns - Warm Winter Baselayer Underwear with 0.45 TOG Rating - Soft Cotton Blend, High Rise, Machine Washable Cover #TOP 2
BLOOM BLENDS Pack of 2 Men’s Thermal Trousers Long Johns - Warm Winter Baselayer Underwear with 0.45 TOG Rating - Soft Cotton Blend, High Rise, Machine Washable
ftb score rating icon 9.7
Heat Stoke Men's Thermal Long Johns Pack Cover #TOP 3
Heat Stoke Men's Thermal Long Johns Pack
ftb score rating icon 9.5

Top 10 Machine Washable Thermal Bottoms for Men

#TOP 1

ER Direct Men's Thermal Long John Winter Underwear Bottom Trouser, Polyester, S-6XL, Stretchable, Classic Style, Machine Washable

Black
ER Direct Men's Thermal Long John Winter Underwear Bottom Trouser, Polyester, S-6XL, Stretchable, Classic Style, Machine Washable Cover
ER Direct Men's Thermal Long John Winter Underwear Bottom Trouser, Polyester, S-6XL, Stretchable, Classic Style, Machine Washable, Winter Wear (UK, Alpha, M, Regular, Regular, Black)

Features
MATERIAL COMPOSITION: Made From A Premium Polyester And Cotton Blend Fabric Featuring Thermal Knit Construction For Superior Warmth And Comfort During Cold Weather
SIZING OPTIONS: Available In UK Sizes S To 6XL With Chest Measurements Ranging From 88-155 Cm, Ensuring A Perfect Fit For All Body Types With A Tolerance Of ±2 Cm
VERSATILE USE: Lightweight, Stretchable Fabric Provides Medium Stretch And Breathability, Making It Ideal For Daily Winter Wear And Outdoor Activities
DESIGN FEATURES: Mid-Rise Fit With Flat Front Design And Regular Fit Styling, Perfect For Layering Under Clothing During Winter Months
CARE INSTRUCTIONS: Machine Washable Thermal Trousers That Maintain Shape And Warmth Through Multiple Washes
#TOP 2

BLOOM BLENDS Pack of 2 Men’s Thermal Trousers Long Johns - Warm Winter Baselayer Underwear with 0.45 TOG Rating - Soft Cotton Blend, High Rise, Machine Washable

BLOOM BLENDS
Black
BLOOM BLENDS Pack of 2 Men’s Thermal Trousers Long Johns - Warm Winter Baselayer Underwear with 0.45 TOG Rating - Soft Cotton Blend, High Rise, Machine Washable Cover
BLOOM BLENDS Pack of 2 Men’s Thermal Trousers Long Johns – Warm Winter Baselayer Underwear with 0.45 TOG Rating – Soft Cotton Blend, High Rise, Machine Washable, (Medium, Black)

Features
0.45 TOG Warmth – Helps Trap Body Heat And Keep You Warmer For Longer.
Pack Of 2 Thermal Trousers – Great Value Set Of Men's Long Johns, Ideal For Winter Wear And Cold Conditions.
Soft Cotton Blend Fabric – 60% Cotton For Comfort, 40% Polyester For Durability And Quick Drying.
Everyday Versatility – Lightweight Base Layer For Layering Under Clothing, Perfect For Winter Activities Or Relaxing Indoors.
Comfort Fit Design – Ribbed Knit For Stretch, High-Rise Pull-On Waistband, And Cuffed Ankles For Secure Coverage.
#TOP 3

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

Heatwave Men's Thermal Long Johns, Pack of 2

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

The Heatwave Thermal Trousers are an essential addition to your winter wardrobe. This pack of two offers a 0.45 TOG rating, ensuring you stay warm by trapping more air close to your skin. The comfort fit, with its ribbed construction, shapes perfectly to your body contours, providing both warmth and comfort. Available in multiple colours, these thermal trousers are ideal as a baselayer, making them versatile for various outdoor activities or lounging at home.

What We Like
Warm and comfortable fit
Pack of two for value
Effective thermal insulation
Available in multiple colours
#TOP 5

HIPOWER Men's Thermal Underwear Long Johns Bottoms Fleece Lined Pants Base Layer Winter Black Sports Leggings Workout Warm Running Hiking Gym Ski Pajama Trouser

HIPOWER
Black
HIPOWER Men's Thermal Underwear Long Johns Bottoms Fleece Lined Pants Base Layer Winter Black Sports Leggings Workout Warm Running Hiking Gym Ski Pajama Trouser Cover
HIPOWER Men's Thermal Underwear Long Johns Bottoms Fleece Lined Pants Base Layer Winter Black Sports Leggings Workout Warm Running Hiking Gym Ski Pajama Trouser(Black XXL)

Features
ELASTIC & 4 WAY STRETCH: Mens Thermal Long Johns Use Advanced Sewing Technique Provides Super Comfort And Curve Body Fit,excellent Elastic Waistband And Stretchy Thermal Leggings, Provides A Comfortable Fit,enhance Range Of Motion. You'll Feel A Sense Of Freedom In Gym, Office, Home, Etc
ULTRA SOFT & WARM: Long Johns For Men Are Made With 92% Polyester,8% Spandex Micro-Fleece Fabric To Provide The Ultimate Warmth Fit Snug Like A Second Skin For Minimizing Heat Loss, Lightweight But Warm, Gives You A Sense Of Security Throughout The Winter
SUITABLE FOR MAN: Thermal Baselayer Pants Men Fly/pee Hole Design Is Good For Use Underneath Formal Or Casual Attire, Or They Can Be Worn As Comfy Pajamas On Chilly Nights. Dress Up This Set Under Your Clothing To Keep Warm And Cozy In Cold Climates Or Bad Weather
STRONG MOISTURE WICKING: Fleece Lined Long Johns Men Is Made Of Moisture Wicking And Breathable Fabric,normal Thickness, Wick Away Sweat Fast To Keep You Dry And Light, Easily Keep Away From The Clammy Feeling, All The While, Insulating From The Cold
MULTI OCCASIONS: This Thermals Leggings Men For Cold Weather Is Idea Winter Gear For All Kinds Of Activities, Such As Running, Squat, Weight Training, Cycling, Yoga, Etc. Also Can Be Wear As Ski Thermals, Everyday Thermals Underwear, Pyjamas And Base Layer.Great For Your Friend Or Families.In Addition, We Remind You To Check Your Size Details Before Purchasing To Select The Appropriate Size, So As To Make Sure The Shopping Experience More Better
#TOP 6

YUSHOW Mens 2 Pack Thermal Underwear Bottoms Long Johns

UBM1909H-Black-M
Black
YUSHOW Mens 2 Pack Thermal Underwear Bottoms Long Johns Cover
YUSHOW Mens 2 Pack Thermal Underwear Bottoms Long Johns for Men Thermal Warm Baselayer Ultra Soft Trousers Leggings Pants Black

Features
[Thermal] Men's Thermal Bottoms With Heat Preservation Technology Ensures You Stay Warm,lightweight.long Johns For Men Thermal Leggings Provides Excellent Thermals And Wind Protection In Cold Weather, Reducing Heat Loss And Is Never Cumbersome.
[Material] This Mens Thermal Underwear Pants Is Made Of 92% Polyester 8% Spandex.Soft, Durable, Skin-Friendly, Lightweight, Double-Sided Ultra Thin Fleece Lined.long John Pants In Leggings Style Are Very Comfortable To Wear With Great Freedom Of Movement Thanks To The High Elastane Content.This Warm Trousers Will Keep You Warm In The Cold Winter.
[Skin-Friendly] Mens Thermal Long Johns Use Advanced Sewing Technique Provides Super Comfort And Curve Body Fit,excellent Elastic Waistband And Stretchy Thermal Leggings, Provides A Comfortable Fit,enhance Range Of Motion. Provide Maximum Comfort And Softness.
[Notes] Please Refer To Size Chart Before Order. Handwash Or Machine Washable
[Multi-Usages] Mens Thermal Base Layer Feature Breathable And Wicking Polyester Fabric Which Will Absorb Sweat From Exercise Instantly,stay Away From Unpleasant Smells Away To Keep You Dry And Cozy.So Fleece Lined Long Johns For Cold Weather Is Suitable For All Kinds Of Outdoor Activities,such As Skiing,snowboarding, Running, Camping, Cycling, Hiking And Daily Wear Etc.

Fruit of the Loom Men's Waffle Thermal Long Johns

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

The Fruit of the Loom Long Johns are crafted from a blend of U.S. sourced cotton and recycled polyester, ensuring comfort and sustainability. The soft mini waffle fabric provides excellent insulation, keeping you warm during colder weather. Thanks to its moisture-wicking and quick-drying properties, you can stay dry and comfortable, even during active use. Additionally, the reinforced flat seam construction enhances durability, making these thermal bottoms a reliable choice for your winter wardrobe.

What We Like
Soft and comfortable fabric
Good insulation for warmth
Moisture-wicking and quick-drying
Durable flat seam construction
#TOP 8

Octave® Men's Thermal Underwear Long Johns Bottoms

Charcoal
Octave® Men's Thermal Underwear Long Johns Bottoms Cover
Octave® Men's Thermal Underwear Long Johns Bottoms, Ski Base Layer, Lightweight Warm Underwear Baselayer, Thermal Leggings Men, Winter Thermals for Men, Mens Thermal Trousers (Large, Charcoal)

Features
ULTRA SOFT AND WARM FABRIC: Men's Thermal Long John Bottoms Are Made With A Premium Blend Of 50% Cotton And 50% Polyester. Fully Brushed Inside For Extra Warmth And Softness. Body-Contouring Fit Ensures Maximum Comfort And Flexibility. Excellent Moisture-Wicking Fabric Keeps You Dry And Fresh Throughout The Day.
Proudly British Designed Since 1982 MEN'S THERMAL UNDERWEAR FOR COLD WEATHER: Stay Warm In Freezing Temperatures With OCTAVE Men's Thermal Long Johns, Designed To Retain Body Heat While Staying Breathable And Lightweight. Perfect For Everyday Winter Wear, Outdoor Work, Hiking, Skiing, And Other Cold-Weather Activities.
MOISTURE WICKING AND QUICK DRY: High-Performance Fabric Keeps You Dry And Comfortable By Wicking Sweat Away From Your Skin. These Men's Base Layer Bottoms Help Regulate Temperature, Making Them Perfect For Both Indoor And Outdoor Wear.
IDEAL FOR ALL WINTER ACTIVITIES: Perfect As A Base Layer For Skiing, Hiking, Camping, Workwear, Or Everyday Winter Use. These Men's Thermals Provide Reliable Warmth Without Bulk, Making Them Ideal For Cold-Weather Outdoor Activities Or Relaxing At Home During Chilly Days.
EASY CARE AND LONG-LASTING WARMTH: Machine Washable At 40°C. Durable, Shape-Retaining Fabric That Maintains Warmth And Softness Even After Repeated Washing – Ideal For Daily Winter Use.
AVAILABLE IN MULTIPLE SIZES AND COLORS: Choose From Two Classic Colours, Charcoal And White, In A Wide Range Of Sizes: S (30"–32"), M (33"–35"), L (36"–39"), XL (40"–42"), XXL (44"–46"), 3XL (47"–49"), 4XL (50"–52"), And 5XL (54"–56"). Designed For A Comfortable, Body-Contouring Fit – Check Our Size Chart For The Perfect Match.
#TOP 9

Gaffer Mens Thermal Bottoms Long Johns Trousers Ski Wear Black Medium

1e453d3d-686a-4805-9dde-e4b395bcc3d8
Bottom-black
Gaffer Mens Thermal Bottoms Long Johns Trousers Ski Wear Black Medium Cover
Gaffer Mens Thermal Bottoms Long Johns Trousers Ski Wear Black Medium

Features
TOG Rating For Warmth: Designed With A TOG Rating, These Thermal Tops Hold More Warm Air Close To The Skin, Ensuring Superior Heat Retention During Chilly Days. Ideal For Both Indoor And Outdoor Activities During Winter Months.
High-Performance Insulation: These Thermal Tops Are Crafted From Advanced Insulating Yarn With A Soft Brushed Inner, Offering Maximum Warmth And Comfort In Cold Weather, Perfect For Layering Under Your Winter Wardrobe Or Outdoor Gear.
Easy Care & Versatile Use: These Thermals Are Machine Washable For Easy Care And Maintenance. The Pull-On Closure And Crew Neck Design Make Them Easy To Wear Under Your Daily Clothing, Perfect For Various Outdoor Activities Or Casual Use.
Durable Cotton-Polyester Blend: Made From 50% Cotton And 50% Polyester, These Thermal Tops Combine The Breathability Of Cotton With The Durability Of Polyester, Ensuring Long-Lasting Performance While Maintaining Warmth And Comfort.
Comfort Fit Design: Featuring A Ribbed Construction, The Thermal Tops Shape Perfectly To Your Body's Contours For A Snug And Comfortable Fit. The Fabric Moves With You, Making Them Suitable For All-Day Wear Without Restricting Your Movement.
#TOP 10

Heat Stoke®️ Men's Thermal Long John Trouser Warm Base Layer Black Charcoal S,M,L,XL

Heat Stoke
AB-1219
Heat Stoke®️ Men's Thermal Long John Trouser Warm Base Layer Black Charcoal S,M,L,XL Cover
Heat Stoke®️ Men's Thermal Long John Trouser Warm Base Layer Black Charcoal S,M,L,XL,XXL (UK, Alpha, S, Regular, Regular, Pack of 2 Long John Charcoal)

Features
Washing Instructions: Machine Washable At 40°C.
Having TOG (Thermal Overall Grade) Rating 0.45 To Keep The Body Heat In Winter.
RIBBED: The Ribbed Construction Shapes Like The Figure Of The Body. Long Johns Are Open Fly.
BRUSHED INSIDE: Brushed Inside Technology Nearly Doubled The Cold Resistance Then The Normal Thermal.
Buying Guide Image
Editor's Notes

During our machine washable thermal bottom for men research, we found 231 machine washable thermal bottom for men products and shortlisted 10 quality products. We collected and analyzed 173,693 customer reviews through our big data system to write the machine washable thermal bottoms for men list. We found that most customers choose machine washable thermal bottoms for men with an average price of £14.72.

The machine washable thermal bottoms for men are available for purchase. We have researched hundreds of brands and picked the top brands of machine washable thermal bottoms for men, including ER Direct, BLOOM BLENDS, Heat Stoke, Heatwave Thermalwear, HIPOWER.

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.