Best Biker Thermal Bottoms for Men of 2025

Name: SIMIYA Thermal Underwear Mens Long Johns Bottoms Fleece Lined Base Layer Stretch Thermals Leggings-1pc Black-L
Brand: SIMIYA

John Zimmer

Last Updated: 31 Jan 2025

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

These Biker Thermal Bottoms are designed to provide warmth and comfort for men during outdoor activities. Made from high-quality materials, these bottoms offer excellent insulation and moisture-wicking properties to keep the wearer dry and warm. The snug fit and stretchy fabric ensure freedom of movement, making them ideal for biking, hiking, or any other outdoor adventure. With their stylish design and durability, these Biker Thermal Bottoms are a great investment for any man looking to stay cosy and comfortable in colder temperatures.

At a Glance: Our Top Picks

#TOP 1

SIMIYA Thermal Underwear Mens Long Johns Bottoms Fleece Lined Base Layer Stretch Thermals Leggings-1pc Black-L

9.8

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SIMIYA Thermal Underwear Mens Long Johns Bottoms Fleece Lined Base Layer Stretch Thermals Leggings-1pc Black-L

#TOP1

9.8

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#TOP 2

Heatwave Men's Thermal Long Johns, Pack of 2

9.7

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Heatwave Men's Thermal Long Johns, Pack of 2

#TOP2

9.7

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#TOP 3

Mountain Warehouse Talus Mens Thermal Baselayer Trousers

9.5

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Mountain Warehouse Talus Mens Thermal Baselayer Trousers

#TOP3

9.5

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Top 10 Biker Thermal Bottoms for Men

#TOP 1

SIMIYA Thermal Underwear Mens Long Johns Bottoms Fleece Lined Base Layer Stretch Thermals Leggings-1pc Black-L

SIMIYA

1pc Black

SIMIYA Thermal Underwear Mens Long Johns Bottoms Fleece Lined Base Layer Stretch Thermals Leggings-1pc Black-L

9.8

FTB Score

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Features

Available For Free Cutting Design: The Special Sewing Techniques Are Applied To Prevent Ripping Or Tearing, And The Fabric Cutting Edge Can Be Super Soft Without Any Loose Thread. Our Latest Craft Design Of The Adjustable Length Of The Leg Opening Allows You To Freely Cut To The Best Length According To Your Needs(Maximum Tailoring Range: 1.18 Inches). Just Free Your Own Imagination And Create Whatever You Want!

Fleece-Lined Comfort: The Mens Thermal Underwear Features A Non-Irritating Blend Of 90% Polyester, 10% Spandex For More Flexibility And Lasting Warmth. The Mens Thermal Pants With High Quality Fleece Lining Inside Provide Comfortable Warmth For All Day Wear, And Make You Enjoy Your Favorite Winter Activities. Stay Warm And Soft, Let You Say Goodbye To Cold Feelings.

Most Warm Gift For Him: SIMIYA Thermal Long Johns Features Excellent Washing Color Fastness, So You Don't Need To Worry About Dying Fade While Washing. Please Refer To The Size Chart To Choose The Size That Suits You. Any Suggestions Are Welcome, Please Contact Us Anytime. We're Ready To Serve You With Full Satisfaction.

Double Thickness Knee Fabrics: The Long Johns For Men Has Double Thickness Knee Fabrics For Extra Cold Protection, So It Can Warm Up Our Knee Joint, Enhance Knee Proprioception And Keep The Whole Body In A Comfortable Temperature To Beat The Cold Weather, Perfect For Hiking, Snowboarding, Skiing, Biking, Hunting, Camping, Or Doing Any Other Outdoor Sports. You'll No Longer Need To Put A Heavy Coat On In Snow Weather.

4-Way Stretch & Ergonomic Convenience: The Mens Thermal Bottom Adopts The Latest 4-Way Stretch Technology To Make You Enjoy A Great Freedom Of Movement In Gym, Office, Home, Etc. The Tag-Less Design Makes It Second Skin To Fully Fit And Warm You. This Thermal Base Layer Features An Ergonomic Fly/pee Hole Adding More Convenience In Daily Life.

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#TOP 2 Best Long Johns Thermal Bottom for Men

Heatwave Men's Thermal Long Johns, Pack of 2

Heatwave Thermalwear

RZKtextile

Black

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

9.7

FTB Score

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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 3

Mountain Warehouse Talus Mens Thermal Baselayer Trousers

Mountain Warehouse

023199005003

Black

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

9.5

FTB Score

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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

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#TOP 4

INNERSY Thermal Long Johns for Men Winter Mens Thermals Bottoms Warm Underlayer Leggings 2 Pack

INNERSY

Black/Grey

INNERSY Thermal Long Johns for Men Winter Mens Thermals Bottoms Warm Underlayer Leggings 2 Pack (M, Black/Grey)

9.5

FTB Score

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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

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#TOP 5

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

Gaffer

Black-bottom-2pack

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

9.5

FTB Score

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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

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#TOP 6 Best Cotton Thermal Bottom for Men

adam & eesa Mens Thermal Long John Bottoms

adam & eesa

2 Pack Black

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

9.4

FTB Score

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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

#TOP 7

HIPOWER Men's Thermal Fleece Lined Long Johns

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(Black L)

9.3

FTB Score

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The HIPOWER Thermal Long Johns are designed to keep you warm during the chilly winter months. Made from ultra-soft micro-fleece fabric, they fit snugly to minimise heat loss while remaining lightweight. The advanced 4-way stretch allows for excellent comfort and movement, making them perfect for activities like running or yoga. Additionally, their moisture-wicking properties ensure you stay dry by quickly drawing sweat away from your skin, providing you with a sense of security in cold weather.

What We Like

Ultra-soft and warm material

Excellent flexibility and comfort

Moisture-wicking for dryness

Versatile for various activities

Suitable for layering under clothes

#TOP 8

SIMIYA Thermal Underwear Mens Long Johns

SIMIYA

2 Pack Black Grey

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)

9.2

FTB Score

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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.

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#TOP 9

LAPASA Men's Thermal Underwear Bottom Heavyweight

LAPASA

LAPASA Men's Thermal Underwear Bottom Heavyweight, Fleece Lined Long Johns for Men Thermal wear Leggings 1 Bottom (Thermoflux M25) Heather Black L

9.0

FTB Score

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Features

LAYER OF COMFORT - Effective At Keeping Your Body's Heat. Suitable For Outdoor Winter Sports, Such As Skiing, Running, Cycling, Etc. Suitable For Indoor Wear, As Home Clothes And Next-To-Skin Layer, Accompany You And Your Family Through The Warm And Comfy Winter.

Please Choose The Different Styles According To The Temperature: Thermoflux 100 - Lightweight (160g / ㎡), Thermoflux 200 - Midweight (210g / ㎡), Thermoflux 300 - Heavyweight (260g / ㎡).

STRETCH & FLEX - The Four-Way Stretch Fabric Makes For A Comfortable And Flexible Fit That Will Flex And Move Along With Your Body While Maintaining A Full Range Of Movement.

SNUG - The Long Johns Are Made To Have A Snug Fit That Ensures No Bunching Around Your Waistline Or Sleeves To Reduce Heat Loss And Better Fit When Worn Under Outer Layers.

EASY ACCESS - Convenient Open Fly Design Provides Quick And Comfortable Access When Nature Calls.

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#TOP 10

SIHOHAN Men's Thermal Trousers Long Johns

SIHOHAN

Black*1

SIHOHAN Men's Thermal Trousers Long Johns, Fleece Lined Thermal Leggings Bottoms Warm Underwear Base Layer Pants for Winter Outdoor (1x Black,L)

9.0

FTB Score

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Features

𝗗𝗼𝘂𝗯𝗹𝗲 𝗧𝗵𝗶𝗰𝗸𝗻𝗲𝘀𝘀 𝗞𝗻𝗲𝗲 𝗙𝗮𝗯𝗿𝗶𝗰𝘀 𝗧𝗵𝗲𝗿𝗺𝗮𝗹 𝗣𝗮𝗻𝘁𝘀: The Thermal Underwear Mens Long Johns Has Double Thickness Knee Fabrics For Extra Cold Protection, So It Can Warm Up Our Knee Joint, Enhance Knee Proprioception And Keep The Whole Body In A Comfortable Temperature To Beat The Cold Weather, Perfect For Hiking,skiing,biking,camping,running,or Any Other Outdoor Sports. You'll No Longer Need To Put A Heavy Pant On In Snow Weather.

𝗖𝘂𝘁-𝘁𝗼-𝗳𝗶𝘁 𝗕𝗼𝘁𝘁𝗼𝗺: These Mens Thermal Leggings Use Special Sewing Techniques To Prevent Ripping Or Tearing, And The Cutting Edges Of The Fabric Are Super Soft Without Any Loose Threads. The Leg Opening Can Be Adjusted In Length, And You Can Cut It To The Optimal Length As Needed (Maximum Tailoring Range: 1.18 Inches=3 Cm).

𝗧𝗮𝗴𝗹𝗲𝘀𝘀 𝗮𝗻𝗱 𝗣𝗲𝗲 𝗛𝗼𝗹𝗲 𝗗𝗲𝘀𝗶𝗴𝗻: Say Goodbye To Uncomfortable Tags And Hello To Maximum Comfort With Our Tagless Design. Plus, The Pee Hole Design Makes It Easy And Convenient To Use The Restroom.

𝗙𝗹𝗲𝘅 𝗙𝗶𝘁 𝗕𝗮𝘀𝗲 𝗟𝗮𝘆𝗲𝗿 𝗟𝗲𝗴𝗴𝗶𝗻𝗴𝘀: The Elastic Polyester Spandex Used Has 4-Way Stretch To Give You Flexibility To Move With You And Keep You Warm Without Sacrificing Your Range Of Motion Or Comfort. When You're Going Out, You Can Wear This Bottom Under Your Clothes To Keep You Warm And Comfortable In Cold Climates Or Inclement Weather While Maintaining Flexibility In Activities.

𝗙𝗹𝗲𝗲𝗰𝗲-𝗟𝗶𝗻𝗲𝗱 𝗧𝗵𝗲𝗿𝗺𝗮𝗹 𝗟𝗼𝗻𝗴 𝗝𝗼𝗵𝗻𝘀: Made Of 90% Polyester And 10% Spandex, Mens Thermal Underwear Is Soft And Lightweight, With High Quality Fleece Lining Inside; Fitted Thermal Bottoms Will Effectively Lock In Heat And Prevent Cold Air From Entering, That's An Ideal Choice For Cold Winter.

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Editor's Notes

During our biker thermal bottom for men research, we found 43 biker thermal bottom for men products and shortlisted 10 quality products. We collected and analyzed 104,329 customer reviews through our big data system to write the biker thermal bottoms for men list. We found that most customers choose biker thermal bottoms for men with an average price of £16.86.

The biker thermal bottoms for men are available for purchase. We have researched hundreds of brands and picked the top brands of biker thermal bottoms for men, including SIMIYA, Heatwave Thermalwear, Mountain Warehouse, INNERSY, Gaffer. The seller of top 1 product has received honest feedback from 1,393 consumers with an average rating of 4.9.

Written by

John Zimmer

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.