Best Army Thermal Bottoms for Men of 2026

John Zimmer Avatar
John Zimmer
Last Updated: 4 Feb 2026

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The Army Thermal Bottoms are a practical and essential item for men who need extra warmth and insulation during cold weather conditions. These bottoms are specifically designed to provide maximum comfort and protection, allowing the wearer to stay warm and dry in even the harshest of environments. Made from high-quality materials, these thermal bottoms offer excellent heat retention and moisture-wicking properties, ensuring that the wearer remains comfortable and dry throughout the day. Whether for outdoor activities, work, or simply keeping warm at home, these Army Thermal Bottoms are a reliable and recommended choice.

At a Glance: Our Top Picks

Therma Pro Men's Fleece Lined Thermal Bottoms Cover #TOP 1
Therma Pro Men's Fleece Lined Thermal Bottoms
ftb score rating icon 9.8
Ekouaer Men’s Thermal Bottoms Underwear Long Johns Thermal Leggings Trousers for Men Base Layer Pants, Army Green Cover #TOP 2
Ekouaer Men’s Thermal Bottoms Underwear Long Johns Thermal Leggings Trousers for Men Base Layer Pants, Army Green
ftb score rating icon 9.7
O.A Dutch Military-Style Thermal Long Johns Cover #TOP 3
O.A Dutch Military-Style Thermal Long Johns
ftb score rating icon 9.5

Top 10 Army Thermal Bottoms for Men

#TOP 1

Therma Pro Men's Fleece Lined Thermal Bottoms

Therma Pro
TP78B-AGN-3XL
Army Green
Therma Pro Men's Fleece Lined Thermal Bottoms Cover
Therma Pro Men Thermal Underwear Bottoms Fleece Lined Pants Long Johns Warm Base Layer Leggings, Army Green, 3X-Large

The Therma Pro Thermal Bottoms are designed to keep you warm and comfortable in cold conditions. With excellent heat retention, they protect you from chilly weather. You’ll appreciate the moisture-wicking feature, which keeps you dry by drawing sweat away from your skin. The 4-way stretch allows for complete freedom of movement, making these bottoms perfect for any activity. Additionally, the ultra-soft fleece lining ensures you feel cosy throughout the day, providing comfort without compromising on warmth.

What We Like
Effective heat retention
Moisture-wicking fabric
Full mobility with 4-way stretch
Ultra-soft fleece lining
#TOP 2

Ekouaer Men’s Thermal Bottoms Underwear Long Johns Thermal Leggings Trousers for Men Base Layer Pants, Army Green

Army Green
Ekouaer Men’s Thermal Bottoms Underwear Long Johns Thermal Leggings Trousers for Men Base Layer Pants, Army Green Cover
Ekouaer Men’s Thermal Bottoms Underwear Long Johns Thermal Leggings Trousers for Men Base Layer Pants, Army Green, S

Features
Stretchy And Durable: Long Thermal Pants Made Of Extremely Stretchy, Durable Material With An Elastic Waistband Ensures Longevity And Prevents Pilling And Shrinking.
Warm And Windproof: Men's Thermal Bottoms Made Of 88% Polyester And 12% Elastane – Soft, Comfortable, And Skin-Friendly. Ideal For Cold Winters And Outdoor Activities.
Various Sizes: Men's Thermal Underwear Long Johns Bottoms For Winter S-XXL, Stretchable To Fit Any Body Shape And Optimal Fit.
Breathable And Quick-Drying: Men's Thermal Pants Effectively Wicks Away Moisture To Keep You Dry And Warm.
A Versatile Winter Essential: Perfect For Indoors And Outdoors, Skiing, Hiking, Or Everyday Wear. Men's Pants Base Layer Well With A Business Suit Or Casual Wear.
#TOP 3

O.A Dutch Military-Style Thermal Long Johns

O.A
Olive Green
O.A Dutch Military-Style Thermal Long Johns Cover
O.A Dutch Military-Style Thermal Long Johns - Cold Weather Base Layer Bottoms (Olive Green)

Features
Optimal Cold Weather Comfort: High-Quality Thermal Fabric Designed For Comfort And Heat Retention In Cold Environments.
Military Surplus: Dutch Army Thermal Long Johns; Official Issue Base Layer For Military Personnel.
Versatile Use: Ideal For Camping, Hiking, Hunting, Fishing, Airsoft, Or Workwear In Sub-Zero Conditions.
Flexible And Comfortable Fit: Features An Elasticated Waistband And Ankle Cuffs For A Secure Fit That Moves With The Body.
Breathable & Moisture-Wicking: Material Promotes Breathability And Wicks Moisture Away, Providing Comfort During Activity.
#TOP 4

WINDCHASER Men's Thermal Underwear Set Long Sleeve Tops Long Johns Base Layer Bottom Fleece Lined

Jungle Black.
WINDCHASER Men's Thermal Underwear Set Long Sleeve Tops Long Johns Base Layer Bottom Fleece Lined Cover
WINDCHASER Men's Thermal Underwear Set Long Sleeve Tops Long Johns Base Layer Bottom Fleece Lined for Skiing Cycling (Jungle Black., S)

Features
BREATHABILITY & QUICK DRY - Breathable And Moisture Wicking Fabric Is Perfect To Keep Sweat Away And Dry Fast, The Mens Thermal Underwear Perfectly Repels Odors And Unpleasant Smells Left Behind From Sweat And Dirt; With This Thermal Underwear Men, You Can Happily Enjoy Outdoor Tactical Training Or Sports.
HEAT PRESERVATION & SUPER WARM - Designed With High Quality Fleece Lining, The Thermal Underwear Mens Is Windproof, It Can Keep You Warm While Running, Cycling, Hiking, Jogging Or Walk The Dog In The Winter Morning.
SUNDRY OCCASIONS - This Thermal Underwear Men For Cold Weather Is Idea Gear For All Kinds Of Activities, Such As Training, Rash Guard, Running, Squat, Weight Training, Cycling, Yoga, Soccer, Skiing, Snowboarding, Indoor Gym Exercise, Fitness Body Training Etc.
STRETCHABLE & ABRASION RESISTANT - Made Of 92% Polyester And 8% Spandex, This Army Thermal Underwear Designed Using Double-Seamless Technology With Top Quality Thermal Properties. Four-Dimensional Elastic Zones That Provide An Optimised Maintenance Of Muscles And Elasticity Freedom Of Movement.
OUT WEAR SHIRT LEGGINGS - This Thermal Underwear Set Definitely Can Be Wore As An Outdoor Compression Sports Shirt, The Tight Shirt Leggings Set Would Be A Great Gift To Your Boyfriend Or Families For All Seasons. If You Have Any Dissatisfaction, Please Connect Us Freely. We Will Try Our Best To Solve The Problem.

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 6

Merino Wool Base Layer Men Leggings Pants 100% Merino Wool Thermal Underwear Long Johns Light

MER-MEN-PNT-320-ARM-GRN-M
320 Army Green
Merino Wool Base Layer Men Leggings Pants 100% Merino Wool Thermal Underwear Long Johns Light Cover
Merino Wool Base Layer Men Leggings Pants 100% Merino Wool Thermal Underwear Long Johns Light, Mid, Heavyweight + Hiking Socks (Medium, 320 Army Green)

Features
Super Soft & Comfortable – 100% Superfine 19.5 Micron Merino Wool Underwear Men Provide All Day Comfort And No Itch! Designed For Daily Wear Without Rubbing And Overheating Of Regular Cotton.
Heavyweight – Mens Merino Base Layer Available In: Lightweight = 165 g/m², Midweight = 250 g/m², Heavyweight = 320 g/m². Merino Wool Hiking Socks ($21 Value!) – Package Includes Merino Wool Pants For Men Heavyweight = 320 g/m² + Merino Wool Hiking Socks. Cool Packaging! Makes A Great Gift!
Zero Worries: Every Merino.tech Merino Long Johns We Make Is Backed By Our Merino.tech Promise - Ensuring You're 100% Happy With Every Merino.tech Purchase. For Best Results Hand Wash And Lay Flat To Dry.
Moisture Wicking & Odor Resistant – Merino Base Layer Men Wicking And Odor-Resistant Properties Allow It To Absorb Moisture Better Than Any Other Fabric, Keeping You Dry And Fresh.
Easy Care – Washer/dryer Safe. For Longer Lasting Wear, Hand Wash And Air Dry. Lightweight Merino Long Johns For Men Regulates Body Temperature To Keep You Comfortable All Year Round.
#TOP 7

Casuallined 2 Pack Thermal Men Long Underwear Pants Winter Warm Fleece Lined Underwear Bottom Cold Weather Base Layer Legging, Black, Army Green

Casuallined
Black, Army Green
Casuallined 2 Pack Thermal Men Long Underwear Pants Winter Warm Fleece Lined Underwear Bottom Cold Weather Base Layer Legging, Black, Army Green Cover
Casuallined 2 Pack Thermal Men Long Underwear Pants Winter Warm Fleece Lined Underwear Bottom Cold Weather Base Layer Legging, Black, Army Green, XXL

Features
Multiple Size Options: Our Men Cold Weather Bottoms Are Available In A Variety Of Sizes, Including Small, Medium, Large, x-Large And Xx-Large, Ensuring You Find The Size For Your Body Type; High Stretch Elastic Waist Makes It Fit More Firmly And Is Suitable For Various Waist Sizes
Sufficient Quantity: You Will Receive 2 Pack Of Men's Warm Winter Underwear Bottom, Sufficient Quantity To Meet Your Daily Cleaning And Replacement Needs, Great For Layering Under Clothes In Cold Weather, Keeping You Warm And Comfortable All Winter Long
Warm And Comfortable: Made From A Blend Of 95% Polyester And 5% Spandex, These Thermal Men's Long Underwear Are Soft, Comfortable, Lightweight And Breathable; The Fleece Lined Provides Extra Warmth And Insulation, Trapping Your Body Heat And Keeping It Close To Your Skin, Ensuring You Keep Warm Even On The Coldest Days
Versatile Use: These Men's Thermal Underwear Pants Are Suitable For Various Activities And Environments, Not Only Limited To Providing Warmth At Home, But Also Suitable For Outdoor Activities Such As Hiking, Skiing, Camping, Running, Cycling, Yoga, Fishing, Mountain Climbing Or Any Other Outdoor Sports To Keep You Warm Throughout The Day In The Cold Winter
High Elasticity: These Men's Base Layer Bottoms Are Made Of Stretch Material That Won't Lose Their Shape Over Time, And The Straight Leg Design Allows You To Do A Variety Of Activities Without Feeling Restricted, Great For Outdoor Activities Or Just Lounging Around The House
#TOP 8

CL convallaria Thermal Underwear for Men Long Johns Soft Fleece Lined Base Layer Cold Weather Top Bottom Set Gray-M

C1104Q-7
Midweight Grey
CL convallaria Thermal Underwear for Men Long Johns Soft Fleece Lined Base Layer Cold Weather Top Bottom Set Gray-M Cover
CL convallaria Thermal Underwear for Men Long Johns Soft Fleece Lined Base Layer Cold Weather Top Bottom Set Gray-M

Features
STRONG MOISTURE WICKING(WITHOUT THE SWEATY MESS): Our Fans Say The Unique Breathable, Moisture-Wicking Fibers On CL Thermal Underwear Will Wick Away Moisture To Keep You Dry With No Sticky Or Clammy Feeling So You Can Wear Them All Day For Your Work Or Snow Adventure. The Smiles On Men's Faces Will Tell You How Satisfied With This Thermal Underwear Set.
ULTRA SOFT AND SUPER WARM: CL Convallaria Mens Thermal Underwear Set Is Made Of 90% Polyester / 10% Spandex Blend Fabric With High Density Fleece Lined, The Insulation Material Which Can Lock Your Body Heat Well. The Super Skin-Touch And Ultra Soft Long Johns For Men Fit Snug Like A Second Skin For Minimizing Heat Loss And Keep You Warm In The Cold Winter.
FOR ANY OCCASION: We Stock These Different Kinds 2 Pack Set Thermals For Men In A Wide Range Of Sizes. The Thermal Set Is Fitted With Elastic For Added Comfort To Keep Tops And Bottoms From Falling Down Or Bunching Up (even On Long Hiking), And If Your Family Enjoys Hunting, Camping, Snowboarding, Skiing, Cycling, Or Running Then CL Makes A Great Base Layer. Also It Is Good To Wear At Home Or As A Base Layer Under Your Coats, It Will Warm You As Comfy Pajamas On Cold Nights.
EASY CARE OF BASE LAYER SET:Our Men's Base Layer Top And Bottom Are Set With No Labels In Order To Obtain Greater Comfort, Which Can Reduce Any Skin Irritation. You Can Slip Them On And Off Easily And Can Be Worn Under Your Clothes For Added Insulation And At The Gym For Added Support And Movement. And These Men's Thermal Underwear Will Not Fade After Washing. The Highest Dyeing Fastness Even After Multiple Washing Will Not Fade And Shrink.
4-WAY STRETCH INSULATED UNDERWEAR: While Adopting The Design Of The Four-Way Stretch, We Improved The Crotch And Armpit According To The Feedback Of Market Customers. Make The Reach And Squat More Comfortable While Retaining Excellent Elasticity And Durability For Maximum Mobility. CL Uses High-Quality Stitching For Thermal Leggings And Long Sleeve Shirts To Beat Super-Active Days And Many Muddy Adventures.And Insulated Design Let You Get Rid Of Static Trouble In Dry Autumn And Winter.
#TOP 9

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 10

YUSHOW 2 Pack Mens Thermal Underwear Bottoms Long Johns

UYM234S-2P-Black-XL
Black
YUSHOW 2 Pack Mens Thermal Underwear Bottoms Long Johns Cover
YUSHOW 2 Pack Mens Thermal Underwear Bottoms Long Johns for Men Thermals Tights Fleece Lined Base Layer Ultra Soft Thermal Trousers Winter Warm Compression Leggings for Cold Weather Black

Features
Moisture Wicking & Quick Dry: Mens Thermal Long Johns Feature Breathable And Moisture-Wicking. Smooth And Ultra-Soft Fabric Provides An Extremely Comfortable Touch. Highly Functional Thermal Base Layer Men Compression Leggings With Fleece Lined Draw Sweat Away From Your Skin And Are Comfortable To Be Worn All Day. Providing Maximum Comfort, During Everyday Wear And Outdoor Activities.
Excellent Warmth: Mens Thermal Underwear Bottoms Are Made Of 92% Polyester, 8% Spandex. Soft And Comfy. Lightweight Warm Base Layer Leggings To Reduce The Heavy Clothing Burden And Keeps Your Body Looking Slimmer. Thermal Long Johns For Men Outside Made Of Windproof Thermoactive-Active Fabric And Inner Soft Fleece Lining Locks In Heat Reduces Heat Loss. The Thermal Bottoms For Men Long Johns Keeps You Warm On Cold Autumn Winter Days
Skin-Friendly: Mens Thermal Long Johns Use An Advanced Sewing Technique Provides Super Comfort And Curve Body Fit, Excellent Elastic Waistband And Stretchy Thermal Leggings, Providing A Comfortable Fit, And Enhanced Range Of Motion. It Feels Like As Natural As Your Skin And Provides Maximum Comfort And Softness. Also, A Lightweight Base Layer Is Made With Thermal Technology And A Fleece Blend. Brushed Inner Maximizes The Amount Of Warm Air Held Close To The Skin
Occasion: These Thermal Leggings Men Long Johns For Cold Weather Will Be Great As Ski Thermals, Everyday Thermals Underwear, Pyjamas And Base Layer. Thermal Wear For Men Perfect Choice For All Indoor Or All Outdoor Activities, These Thermals Are Ideal For Hockey, Skiing, Training, Running, Cycling, Work Outside Or Daily Wear, Etc, And Retain Shape Even After Multiple Washes
High Elasticity Thermal Tops: The Thermal Underwear Mens Long Johns Are Made Of A 4-Way Stretch To Enhance Freedom Of Movement. The YUSHOW Thermal Compression Leggings Offer Powerful Support For Your Muscles And Joints. The Maximum Balance Between Freedom Of Movement And Muscles. Long Johns For Men Thermal 2 Pack Suit For Winter Skiing, Cycling, Climbing, Hiking, Fitness, Running And Other Active
Buying Guide Image
Editor's Notes

During our army thermal bottom for men research, we found 146 army thermal bottom for men products and shortlisted 10 quality products. We collected and analyzed 89,538 customer reviews through our big data system to write the army thermal bottoms for men list. We found that most customers choose army thermal bottoms for men with an average price of £16.17.

The army thermal bottoms for men are available for purchase. We have researched hundreds of brands and picked the top brands of army thermal bottoms for men, including Therma Pro, Ekouaer, O.A, WINDCHASER, Heatwave Thermalwear.

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.