![Black Carhartt 100640 Front View](images/products/carhartt/product/image-100640BLK-550-550.jpg)
Black
DISCONTINUED
Carhartt 100640 - Force® Heavyweight Cotton Thermal Bottom
![Carhartt Carhartt Logo](./images/brand_logos/carhartt.jpg)
We're sorry, but this item is discontinued.
Here are other popular Carhartt Base Layers for Men you may like:
Here are other popular Carhartt Base Layers for Men you may like:
- Carhartt MBL112 - Base Force® Heavyweight Base Layer BottomQUICK VIEW
43 Review(s)
Carhartt MBL112 - Base Force® Heavyweight Base Layer Bottom$49.99 USDCOMPARE - Carhartt MBL121 - Force® Midweight Synthetic-Wool Blend Base Layer PantQUICK VIEW
81 Review(s)
Carhartt MBL121 - Force® Midweight Synthetic-Wool Blend Base Layer Pant$49.99 USDCOMPARE - Carhartt MBL149 - Midweight Cotton Base Layer PantQUICK VIEW
11 Review(s)
Carhartt MBL149 - Midweight Cotton Base Layer PantWas: $34.99 USDNow: $27.99 USDCOMPARE - Carhartt MBL115 - Base Force® Midweight Base Layer Classic BottomQUICK VIEW
40 Review(s)
Carhartt MBL115 - Base Force® Midweight Base Layer Classic Bottom$34.99 USDCOMPARE - Carhartt MUS130 - Classic Union SuitQUICK VIEW
54 Review(s)
Carhartt MUS130 - Classic Union Suit$59.99 USDCOMPARE - Carhartt MBB123 - 8 Inch Tech Boxer BriefQUICK VIEW
33 Review(s)
Carhartt MBB123 - 8 Inch Tech Boxer Brief$24.99 USDCOMPARE - Carhartt MBB124 - 5 Inch Basic Boxer Brief 2-Pack
65 Review(s)
Carhartt MBB124 - 5 Inch Basic Boxer Brief 2-Pack$22.99 USDCOMPARE - Carhartt UM0270M - Midweight Cotton Rib Base Layer PantQUICK VIEWCarhartt UM0270M - Midweight Cotton Rib Base Layer Pant$34.99 USDCOMPARE
- Carhartt UH0268M - Force® Heavyweight Stretch Base Layer PantQUICK VIEWCarhartt UH0268M - Force® Heavyweight Stretch Base Layer Pant$49.99 USDCOMPARE
- Carhartt MBB122 - 5 Inch Tech Boxer BriefQUICK VIEW
47 Review(s)
Carhartt MBB122 - 5 Inch Tech Boxer Brief$21.99 USDCOMPARE
PRODUCT INFORMATION
SHIPPING & RETURNS
![](./images/90-Days-Icon.png)
RETURN POLICY
We understand you're busy and that some things you order may not work out. That's why we give you 90 days to return any unused items. These items must be new, unwashed, and in resalable condition with all manufacturer's tags still attached.
View Our Full Return Policy
![](./images/Shipping-Box-Icon.png)
SHIPPING DETAILS
All orders over $55 ship for FREE (contiguous U.S. only). Our shipping team takes pride in getting your order out the door as quickly as possible. Most orders placed before 3PM CST will ship out the same business day.
Learn More About Shipping
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REVIEWS
![](./images/reviews/image-rating5_0-100-20.png)
Good
February 28, 2019
N.Z.
From: Ky. Age: 55-65 Gender: Male
From: Ky. Age: 55-65 Gender: Male
Pretty tight around the ankle though, I have to step on them to take them off.
![Fit Rating Icon](./images/reviews/image-ratingSlider3_0-170-12.png)
Runs
Small
Small
Runs
Large
Large
![Comfort Rating Icon](./images/reviews/image-ratingSlider4_0-170-12.png)
Very
Uncomfortable
Uncomfortable
Very
Comfortable
Comfortable
![Quality Rating Icon](./images/reviews/image-ratingSlider4_0-170-12.png)
Very Low
Quality
Quality
Very High
Quality
Quality
![Durability Rating Icon](./images/reviews/image-ratingSlider4_0-170-12.png)
Not
Durable
Durable
Very
Durable
Durable
Fit:3/5
Comfort:4/5
Quality:4/5
Durability:4/5
Comfort:4/5
Quality:4/5
Durability:4/5
Written by a customer while visiting the Dungarees.com website.
![](./images/reviews/image-rating5_0-100-20.png)
Carhart
February 3, 2019
Harp
From: Dubuque Iowa Age: 55-65 Gender: Male
From: Dubuque Iowa Age: 55-65 Gender: Male
Best I’ve ever purchased. Very pleased with carhart brand.
![Fit Rating Icon](./images/reviews/image-ratingSlider4_0-170-12.png)
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Small
Small
Runs
Large
Large
![Comfort Rating Icon](./images/reviews/image-ratingSlider5_0-170-12.png)
Very
Uncomfortable
Uncomfortable
Very
Comfortable
Comfortable
![Quality Rating Icon](./images/reviews/image-ratingSlider5_0-170-12.png)
Very Low
Quality
Quality
Very High
Quality
Quality
![Durability Rating Icon](./images/reviews/image-ratingSlider5_0-170-12.png)
Not
Durable
Durable
Very
Durable
Durable
Fit:4/5
Comfort:5/5
Quality:5/5
Durability:5/5
Comfort:5/5
Quality:5/5
Durability:5/5
Written by a customer while visiting the Dungarees.com website.
![](./images/reviews/image-rating5_0-100-20.png)
Warm
January 26, 2019
Spider
From: Iowa Age: 55-65 Gender: Male
From: Iowa Age: 55-65 Gender: Male
Very warm the best I have bought saves extra layer of clothes
![Fit Rating Icon](./images/reviews/image-ratingSlider3_0-170-12.png)
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Small
Small
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Large
Large
![Comfort Rating Icon](./images/reviews/image-ratingSlider4_0-170-12.png)
Very
Uncomfortable
Uncomfortable
Very
Comfortable
Comfortable
![Quality Rating Icon](./images/reviews/image-ratingSlider3_0-170-12.png)
Very Low
Quality
Quality
Very High
Quality
Quality
![Durability Rating Icon](./images/reviews/image-ratingSlider4_0-170-12.png)
Not
Durable
Durable
Very
Durable
Durable
Fit:3/5
Comfort:4/5
Quality:3/5
Durability:4/5
Comfort:4/5
Quality:3/5
Durability:4/5
Written by a customer while visiting the Dungarees.com website.
![](./images/reviews/image-rating5_0-100-20.png)
Excellent delivery time
January 25, 2019
Holly
From: Montana Age: 55-65 Gender: Female
From: Montana Age: 55-65 Gender: Female
I ordered on Friday, received it on Monday, awesome delivery time, and as always Carhartt is a very quality product...we'll see if the quality holds up now that it is produced in China...but you guys rock!
![Fit Rating Icon](./images/reviews/image-ratingSlider3_0-170-12.png)
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Small
Small
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Large
![Comfort Rating Icon](./images/reviews/image-ratingSlider5_0-170-12.png)
Very
Uncomfortable
Uncomfortable
Very
Comfortable
Comfortable
![Quality Rating Icon](./images/reviews/image-ratingSlider5_0-170-12.png)
Very Low
Quality
Quality
Very High
Quality
Quality
![Durability Rating Icon](./images/reviews/image-ratingSlider5_0-170-12.png)
Not
Durable
Durable
Very
Durable
Durable
Fit:3/5
Comfort:5/5
Quality:5/5
Durability:5/5
Comfort:5/5
Quality:5/5
Durability:5/5
Written by a customer while visiting the Dungarees.com website.
![](./images/reviews/image-rating5_0-100-20.png)
this product is wery comfortable and warm.
January 9, 2019
Smitty
From: Muscatine, IA. Age: Over 65 Gender: Male
From: Muscatine, IA. Age: Over 65 Gender: Male
This is exactly what I was looking for. A nice snug fit yet easy to get on and off. Keeps me warm on the windy days.
![Fit Rating Icon](./images/reviews/image-ratingSlider3_0-170-12.png)
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Small
Small
Runs
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Large
![Comfort Rating Icon](./images/reviews/image-ratingSlider5_0-170-12.png)
Very
Uncomfortable
Uncomfortable
Very
Comfortable
Comfortable
![Quality Rating Icon](./images/reviews/image-ratingSlider4_0-170-12.png)
Very Low
Quality
Quality
Very High
Quality
Quality
![Durability Rating Icon](./images/reviews/image-ratingSlider4_0-170-12.png)
Not
Durable
Durable
Very
Durable
Durable
Fit:3/5
Comfort:5/5
Quality:4/5
Durability:4/5
Comfort:5/5
Quality:4/5
Durability:4/5
Written by a customer while visiting the Dungarees.com website.
![](./images/reviews/image-rating5_0-100-20.png)
December 22, 2018
EDGAR
From: Age: Under 18 Gender: Male
From: Age: Under 18 Gender: Male
A 1 NO QUESTIONS ASKED!
![Fit Rating Icon](./images/reviews/image-ratingSlider3_0-170-12.png)
Runs
Small
Small
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Large
Large
![Comfort Rating Icon](./images/reviews/image-ratingSlider5_0-170-12.png)
Very
Uncomfortable
Uncomfortable
Very
Comfortable
Comfortable
![Quality Rating Icon](./images/reviews/image-ratingSlider5_0-170-12.png)
Very Low
Quality
Quality
Very High
Quality
Quality
![Durability Rating Icon](./images/reviews/image-ratingSlider5_0-170-12.png)
Not
Durable
Durable
Very
Durable
Durable
Fit:3/5
Comfort:5/5
Quality:5/5
Durability:5/5
Comfort:5/5
Quality:5/5
Durability:5/5
Written by a customer while visiting the Carhartt website.
![](./images/reviews/image-rating5_0-100-20.png)
Quality thermal pants
December 20, 2018
Kevin
From: Helendale, CA Age: 35-44 Gender: Male
From: Helendale, CA Age: 35-44 Gender: Male
Wow these thermal pants are extremely high quality and thick and very warm and comfortable.worth every penny strongly recommend.
![Fit Rating Icon](./images/reviews/image-ratingSlider3_0-170-12.png)
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Small
Small
Runs
Large
Large
![Comfort Rating Icon](./images/reviews/image-ratingSlider5_0-170-12.png)
Very
Uncomfortable
Uncomfortable
Very
Comfortable
Comfortable
![Quality Rating Icon](./images/reviews/image-ratingSlider5_0-170-12.png)
Very Low
Quality
Quality
Very High
Quality
Quality
![Durability Rating Icon](./images/reviews/image-ratingSlider5_0-170-12.png)
Not
Durable
Durable
Very
Durable
Durable
Fit:3/5
Comfort:5/5
Quality:5/5
Durability:5/5
Comfort:5/5
Quality:5/5
Durability:5/5
Written by a customer while visiting the Carhartt website.
![](./images/reviews/image-rating5_0-100-20.png)
Very long, very warm
December 19, 2018
B
From: Age: 25-34 Gender: Male
From: Age: 25-34 Gender: Male
Can’t believe I finally found long johns that are long enough and cotton. Very warm
![Fit Rating Icon](./images/reviews/image-ratingSlider3_0-170-12.png)
Runs
Small
Small
Runs
Large
Large
![Comfort Rating Icon](./images/reviews/image-ratingSlider5_0-170-12.png)
Very
Uncomfortable
Uncomfortable
Very
Comfortable
Comfortable
![Quality Rating Icon](./images/reviews/image-ratingSlider5_0-170-12.png)
Very Low
Quality
Quality
Very High
Quality
Quality
![Durability Rating Icon](./images/reviews/image-ratingSlider5_0-170-12.png)
Not
Durable
Durable
Very
Durable
Durable
Fit:3/5
Comfort:5/5
Quality:5/5
Durability:5/5
Comfort:5/5
Quality:5/5
Durability:5/5
Written by a customer while visiting the Carhartt website.
![](./images/reviews/image-rating5_0-100-20.png)
Best purchase
December 10, 2018
Staci
From: Age: 35-44 Gender: Male
From: Age: 35-44 Gender: Male
This was one of the purchases ever made. I got it for my wife who works outside all day. She has stayed so warm. Unlike anything else.
![Fit Rating Icon](./images/reviews/image-ratingSlider3_0-170-12.png)
Runs
Small
Small
Runs
Large
Large
![Comfort Rating Icon](./images/reviews/image-ratingSlider5_0-170-12.png)
Very
Uncomfortable
Uncomfortable
Very
Comfortable
Comfortable
![Quality Rating Icon](./images/reviews/image-ratingSlider5_0-170-12.png)
Very Low
Quality
Quality
Very High
Quality
Quality
![Durability Rating Icon](./images/reviews/image-ratingSlider5_0-170-12.png)
Not
Durable
Durable
Very
Durable
Durable
Fit:3/5
Comfort:5/5
Quality:5/5
Durability:5/5
Comfort:5/5
Quality:5/5
Durability:5/5
Written by a customer while visiting the Carhartt website.
![](./images/reviews/image-rating5_0-100-20.png)
Excellent
December 3, 2018
Matt
From: Age: 55-64 Gender: Female
From: Age: 55-64 Gender: Female
Perfect fit thanks for keeping me warm
![Fit Rating Icon](./images/reviews/image-ratingSlider3_0-170-12.png)
Runs
Small
Small
Runs
Large
Large
![Comfort Rating Icon](./images/reviews/image-ratingSlider5_0-170-12.png)
Very
Uncomfortable
Uncomfortable
Very
Comfortable
Comfortable
![Quality Rating Icon](./images/reviews/image-ratingSlider5_0-170-12.png)
Very Low
Quality
Quality
Very High
Quality
Quality
![Durability Rating Icon](./images/reviews/image-ratingSlider5_0-170-12.png)
Not
Durable
Durable
Very
Durable
Durable
Fit:3/5
Comfort:5/5
Quality:5/5
Durability:5/5
Comfort:5/5
Quality:5/5
Durability:5/5
Written by a customer while visiting the Carhartt website.
![](./images/reviews/image-rating4_6-150-29.png)
99 Reviews
![Average Fit Icon](./images/reviews/image-ratingSlider3_1-300-20.png)
Runs Small
Runs Large
![Average Comfort Icon](./images/reviews/image-ratingSlider4_7-300-20.png)
Very Uncomfortable
Very Comfortable
![Average Quality Icon](./images/reviews/image-ratingSlider4_7-300-20.png)
Very Low Quality
Very High Quality
![Average Durability Icon](./images/reviews/image-ratingSlider4_6-300-20.png)
Not Durable
Very Durable
![Natural Carhartt 100640 Front View](images/products/carhartt/product/image-100640NAT-300-300.jpg)
![Loading Icon](./images/ajax-loader.gif)
We're sorry, but this item is discontinued.
Here are other popular Carhartt Base Layers for Men you may like:
Here are other popular Carhartt Base Layers for Men you may like:
- Carhartt MBL112 - Base Force® Heavyweight Base Layer BottomQUICK VIEW
43 Review(s)
Carhartt MBL112 - Base Force® Heavyweight Base Layer Bottom$49.99 USDCOMPARE - Carhartt MBL121 - Force® Midweight Synthetic-Wool Blend Base Layer PantQUICK VIEW
81 Review(s)
Carhartt MBL121 - Force® Midweight Synthetic-Wool Blend Base Layer Pant$49.99 USDCOMPARE - Carhartt MBL149 - Midweight Cotton Base Layer PantQUICK VIEW
11 Review(s)
Carhartt MBL149 - Midweight Cotton Base Layer PantWas: $34.99 USDNow: $27.99 USDCOMPARE - Carhartt MBL115 - Base Force® Midweight Base Layer Classic BottomQUICK VIEW
40 Review(s)
Carhartt MBL115 - Base Force® Midweight Base Layer Classic Bottom$34.99 USDCOMPARE - Carhartt MUS130 - Classic Union SuitQUICK VIEW
54 Review(s)
Carhartt MUS130 - Classic Union Suit$59.99 USDCOMPARE - Carhartt MBB123 - 8 Inch Tech Boxer BriefQUICK VIEW
33 Review(s)
Carhartt MBB123 - 8 Inch Tech Boxer Brief$24.99 USDCOMPARE - Carhartt MBB124 - 5 Inch Basic Boxer Brief 2-Pack
65 Review(s)
Carhartt MBB124 - 5 Inch Basic Boxer Brief 2-Pack$22.99 USDCOMPARE - Carhartt UM0270M - Midweight Cotton Rib Base Layer PantQUICK VIEWCarhartt UM0270M - Midweight Cotton Rib Base Layer Pant$34.99 USDCOMPARE
- Carhartt UH0268M - Force® Heavyweight Stretch Base Layer PantQUICK VIEWCarhartt UH0268M - Force® Heavyweight Stretch Base Layer Pant$49.99 USDCOMPARE
- Carhartt MBB122 - 5 Inch Tech Boxer BriefQUICK VIEW
47 Review(s)
Carhartt MBB122 - 5 Inch Tech Boxer Brief$21.99 USDCOMPARE
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