Best Solid Mens Thermal Underwear Bottoms in 2026

Daisy
Last Updated: Feb 5, 2026

At a Glance: Our Top Picks for Solid Mens Thermal Underwear Bottoms

Fruit of the Loom Men's Recycled Premium Waffle Thermal Underwear Long Johns Bottom (1, 2, 3, and 4 Packs), Black, Large
#TOP1
Fruit Of The Loom Men's Recycled Premium Waffle
9.9
PM SCORE
Fruit of the Loom Men's Recycled Premium Waffle Thermal Underwear Long Johns Bottom (1, 2, 3, and 4 Packs), Greystone Heather, Large
#TOP2
Fruit Of The Loom Men's Recycled Premium Waffle
9.9
PM SCORE
Fruit of the Loom Men's Classic Midweight Waffle Thermal Underwear Bottoms (1-Pack), Natural, Large
#TOP3
Fruit Of The Loom Men's Classic Midweight Waffle
9.9
PM SCORE

* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.

Summary of the Best Solid Mens Thermal Underwear Bottoms of 2026

Fruit Of The Loom Men's Recycled Premium Waffle Thermal Underwear Long Johns Bottom (1, 2, 3, And 4 Packs), Black, Large

FRUIT OF THE LOOM
WRT20932
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
BlueFrog 9.94

Features

Traditional full length thermal pant made from U.S. sourced cotton and recycled polyester

Soft mini waffle fabric long johns underwear bottoms

Provides insulation and warmth in cold to moderately cold conditions

Moisture wicking and quick drying fabric

Reinforced flat seam construction

Fruit Of The Loom Men's Recycled Premium Waffle Thermal Underwear Long Johns Bottom (1, 2, 3, And 4 Packs), Greystone Heather, Large

FRUIT OF THE LOOM
WRT20932
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Traditional full length thermal pant made from U.S. sourced cotton and recycled polyester

Soft mini waffle fabric long johns underwear bottoms

Provides insulation and warmth in cold to moderately cold conditions

Moisture wicking and quick drying fabric

Reinforced flat seam construction

Fruit Of The Loom Men's Classic Midweight Waffle Thermal Underwear Bottoms (1-Pack), Natural, Large

FRUIT OF THE LOOM
PS10752N
10.00 X 6.00 X 1.00 Inches
0.44 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Padovan’s 9.05

Features

Pack of 1

Super soft, natural touch waffle fabric for moderately cold to cold weather conditions

Dual Defense Moisture wicking technology

Intellifresh odor control keeps fabric fresh

Elastic waistband and ribbed cuffs on ankles

Tagless Label for added comfort

Fruit Of The Loom Men's Classic Midweight Waffle Thermal Underwear Bottoms, Light Grey Heather/Light Grey Heather (2-Pack), Large

FRUIT OF THE LOOM
12780-2P
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
KLC Bargains LLC 9.82

Features

Super soft, natural touch waffle fabric for moderately cold to cold weather conditions

Dual Defense Moisture wicking technology

Intellifresh odor control keeps fabric fresh

Elastic waistband and ribbed cuffs on ankles

Tagless Label for added comfort

Fruit Of The Loom Men's Recycled Waffle Thermal Underwear Set (Top And Bottom), Greystone Heather, Medium

FRUIT OF THE LOOM
WRT20931-S/20932-S
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Medium weight classic thermal long sleeve crew neck top and bottom made from U.S. sourced cotton and recycled polyester are ideal for moderately cold to cold conditions

Fruit Of The Loom Men's Waffle Weave Thermal Underwear Pant, Natural, Medium

FRUIT OF THE LOOM
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Seinshop 7.02

Features

For moderately cold to cold conditions

Super soft, natural touch waffle fabric

Dual Defense Moisture-wicking technology

Intellifresh odor control keeps fabric fresh

Ribbed cuffs on ankles

Fruit Of The Loom Men's Waffle Weave Thermal Long John Underwear, Xlarge, Black

FRUIT OF THE LOOM
KN-14665Y21-BLK-XL
10.70 X 8.00 X 1.70 Inches
0.40 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Beyond Essentials 3 6.72

Features

Soft waffle weave

Great for layering

Tag-free

Stretch

Comfortable

Fruit Of The Loom Men’s Thermal Underwear Set Breathable & Lightweight Winter Underwear Thermals- Long Sleeve Thermals Grey

FRUIT OF THE LOOM
0.12 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
BlueFrog 9.93

Features

INVEST IN THE PERFECT LAYER OF WARMTH: Get ready for any of your favorite winter adventures with this complete men’s thermal underwear set that includes: a pair of thermal pants and a long-sleeve thermal top that will completely shield your body from cold and discomfort!

BREATHABLE QUALITY FOR YOUR UTMOST COMFORT: Unlike heavy, insulated underwear that may weigh you down, the Fruit of the Loom thermal wear for men is made of 100% breathable materials to provide unparalleled comfort. Great for sweat-free wear, this breathable thermal set is ideal for regulating your body temperature without getting too hot.

DISCREET DESIGN – GREAT FOR EVERYDAY WEAR, SPORTS & MORE: No matter if you just need a base layer for those cold winter months, or if you are about to enjoy your favorite winter sport, this two-piece thermal set will always have you covered. Discreet and lightweight, you can wear it underneath your regular clothes everywhere: from the city and the office to any ski resort!

EXCELLENT DURABILITY - 3 TIMELESS COLORS TO CHOOSE FROM: Made of superior quality, soft and breathable materials this thermal long-sleeve set is not only extremely comfortable to wear but it is also proven to pass the test of time. Plus, it is machine washable for easy cleaning, without ever fading or losing its shape!

WITH THE EXPERTISE OF FRUIT OF THE LOOM: Established in 1851 in the USA, each Fruit of the Loom piece of clothing carries 170 years of amazing history and style evolution. Delivering top quality clothing to millions of satisfied customers worldwide, you have every good reason to trust Fruit of the Loom for your next order!

Fruit Of The Loom Signature Men's Soft Tec Thermal Pants, X-Large, Black

FRUIT OF THE LOOM
14046
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
ACT Apparel 9.92

Features

For moderately cold to cold conditions

Super soft, natural touch waffle fabric

Moisture-wicking fabric keeps you cool and dry

Heat retention

Elastic waistband

Fruit Of The Loom Men's 2 Pack Waffle Knit Thermal Underwear Pants, 3X-Large, Black/Light Grey Heather

FRUIT OF THE LOOM
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
ACT Apparel 9.92

Features

Ideal fit for layering under clothes

Fabric stretches to move with you

Waffle fabric helps trap body heat to keep you warm

Sturdy seam construction for durability

Fruit Of The Loom Signature Men's Grid Tech L3 Thermal Base Layer Pant, X-Large Tall Black Soot

FRUIT OF THE LOOM
12912
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
ACT Apparel 9.92

Features

Grid Tech thermal construction provides maximum warmth

Moisture-wicking fabric blend keeps you dry and comfortable

Elastic jaquard waistband

Stretches and moves with you for all day comfort

Fruit Of The Loom Men's Signature Breathable Performance L1 Thermal Baselayer Pant, X-Large Black Heather

FRUIT OF THE LOOM
12911
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
ACT Apparel 9.92

Features

Soft breathable mesh fabric

Moisture-wicking fabric blend keeps you dry and comfortable

Traps heat when layered

Natural stretch for a better fit

Flatlock seams

Fruit Of The Loom Signature Men's Soft Tec Thermal Top, Large

FRUIT OF THE LOOM
14045
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
ACT Apparel 9.92

Features

Flatlock seams and tag-free label prevent chafing

Moisture-wicking fabric keeps you cool and dry

Waffle-weave pattern and rib knit cuffs help retain heat

Natural stretch moves with you for all day comfort

For moderately cold to cold conditions

Top 10 mens thermal underwear bottoms Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Fruit Of The Loom 13

Top 10 mens thermal underwear bottoms Brands Pie Chart


We've carried out a comprehensive analysis of 78,751 reviews on mens thermal underwear bottoms, using our selection criteria to identify the best options in the men's fashion. Our findings reveal that most customers typically select mens thermal underwear bottoms priced around $19.06, with top brands including thermajohn, fruit of the loom, 32 degrees, duofold, wrangler, carhartt, real essentials, drskin and weerti and indera

Our team of expert editors reviewed these high-quality items and handpicked the top 13 mens thermal underwear bottoms for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the men's fashion category. These include 1836 total commerce, bluefrog, 32degrees, amazon.com, real essentials, padovan’s, drskin sports usa.., act apparel and weerti and convallaria .

We are dedicated to assisting our users in finding the right bottoms Products based on their needs, saving them considerable time when choosing which mens thermal underwear bottoms to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.