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Men's, Fitted, Heavyweight Thermal Top. The ultimate climate-control base layer.

  • 8-ounce, 60% Polyester/ 33% Cocona 37.5 Technology/ 7% Spandex
  • FastDry® with 37.5® Technology makes this our fastest drying gear
  • Odor-fighting tech never washes out
  • Enhanced comfort with smooth flatlock seams and tagless neck label
  • For a full base layer option, shop the coordinating bottom here
  • Imported

For over 125 years, Carhartt, Inc. has been committed to offering the finest workwear products and customer service available. We stand behind the quality, craftsmanship, and performance of all our products. We use only the finest materials and apply strict quality control standards to each and every garment and accessory that we sell. Our goal is to ensure your satisfaction with each purchase and provide you the best possible service for years to come.

Since all apparel has an expected service life, this commitment does not cover damage caused by normal wear and tear (including zippers and other hardware), misuse, neglect, or obvious abuse of the garment. Carhartt, Inc. assumes no liability for garments that have had alterations, embroidery, or other ornamentation added to the garment.

Please contact our customer service team for all warranty questions:

Contact Us

Carhartt Base Force Extremes® Super-Cold Weather Crewneck

$49.99 – $52.99

Style #102350
COLOR: Black


There are no Carhartt Company stores or Great Partner stores in your area with this item.
Fit & Technology
    Force icon
    Base Force
    Base Force was designed to keep you warm enough to handle a 12-hour work day.


    Welcome to the warm world of Carhartt Base Force® Thermals. Available in 4 different weights: Lightweight, Midweight, Heavyweight Synthetic, and Heavyweight Cotton. Base Force was built for those who get up and go when the frozen wind blows. They’re sweat-wicking and stain-busting to help you own the cold and stay warm and dry in tough conditions.

OUR COMMITMENT

For over 125 years, Carhartt, Inc. has been committed to offering the finest workwear products and customer service available. We stand behind the quality, craftsmanship, and performance of all our products. We use only the finest materials and apply strict quality control standards to each and every garment and accessory that we sell. Our goal is to ensure your satisfaction with each purchase and provide you the best possible service for years to come.

Since all apparel has an expected service life, this commitment does not cover damage caused by normal wear and tear (including zippers and other hardware), misuse, neglect, or obvious abuse of the garment. Carhartt, Inc. assumes no liability for garments that have had alterations, embroidery, or other ornamentation added to the garment.

Please contact our customer service team for all warranty questions:

Contact Us

What People are saying

Review Summary

Average Rating

4.9 of 5.0
Fit
Too Tight
Perfect
Too Loose
Appearance
 
 
Durability
 
 
Quality
 
 
Comfort
 
 
WRITE A REVIEW

There are no comments
4.9 / 5.0
22 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
21
0
1
0
0
Appearance
4.9 / 5
Durability
4.9 / 5
Quality
4.9 / 5
Comfort
4.9 / 5
Fit
Runs Small
 
Runs Large
Fit
Runs Small
 
Runs Large
Appearance
5 / 5
Durability
5 / 5
Quality
5 / 5
Comfort
5 / 5
warm at last
My husband reports unbeatable warmth even in freezing rain.
November 20, 2018
Adna, WA
Purchased
2 weeks ago
Age:
65+
Gender:
Male
Fit
Runs Small
 
Runs Large
Appearance
5 / 5
Durability
5 / 5
Quality
5 / 5
Comfort
5 / 5
Very comfortable
Very comfortable
November 20, 2018
Antigo , WI
Purchased
2 weeks ago
Age:
45-54
Gender:
Male
Fit
Runs Small
 
Runs Large
Appearance
5 / 5
Durability
5 / 5
Quality
5 / 5
Comfort
5 / 5
Reflects wind and keeps you warm in below 30 weather.
This review was collected as part of a promotion
November 9, 2018
Houston , TX
Purchased
1 year ago
Age:
45-54
Gender:
Male
Fit
Runs Small
 
Runs Large
Appearance
5 / 5
Durability
5 / 5
Quality
5 / 5
Comfort
5 / 5
under wear
great wear good
November 5, 2018
st louis, MO
Purchased
1 month ago
Age:
65+
Gender:
Male
Fit
Runs Small
 
Runs Large
Appearance
5 / 5
Durability
5 / 5
Quality
5 / 5
Comfort
5 / 5
Purchased for my husband and he loves it. Material is comfortable and keeps him warm without overheating.
This review was collected as part of a promotion
November 3, 2018
Purchased
1 month ago
Fit
Runs Small
 
Runs Large
Appearance
3 / 5
Durability
3 / 5
Quality
3 / 5
Comfort
3 / 5
Not as warm as I thought they would be.
This review was collected as part of a promotion
October 20, 2018
Purchased
1 month ago
Response from Carhartt
We have reached out to the customer to ensure satisfaction.
October 23, 2018
Melissa M
Fit
Runs Small
 
Runs Large
Appearance
5 / 5
Durability
5 / 5
Quality
5 / 5
Comfort
5 / 5
Stay Warm!
I purchased this for the days that my cotton Force thermals may not be enough and so far it's done it's job!
This review was collected as part of a promotion
March 18, 2018
Staten Island, NY
Purchased
10 months ago
Age:
35-44
Gender:
Male
Fit
Runs Small
 
Runs Large
Appearance
5 / 5
Durability
5 / 5
Quality
5 / 5
Comfort
4 / 5
Another great product
February 26, 2018
Chambersburg, PA
Purchased
9 months ago
Age:
35-44
Gender:
Male
Fit
Runs Small
 
Runs Large
Appearance
5 / 5
Durability
5 / 5
Quality
5 / 5
Comfort
5 / 5
Best thing I ever bought doesn’t ever feel like I’m out in the cold
January 24, 2018
Purchased
10 months ago
Fit
Runs Small
 
Runs Large
Appearance
5 / 5
Durability
5 / 5
Quality
5 / 5
Comfort
5 / 5
Helps a lot
January 23, 2018
Purchased
10 months ago
Start typing your question and we'll check if it was already asked and answered. Learn More
Browse 5 questions Browse 5 questions and 10 answers
What’s the best thermal for -40 f weather?
A shopper on Nov 12, 2018
BEST ANSWER: We do not temperature rate our garments since everyone has a different threshold for what they consider to be warm.
Is there a 4x tall size available in any of your thermal shirts?
A shopper on Feb 1, 2018
BEST ANSWER: Not at this time. However, we'll be glad to share your interest with Product Design.
Is this your warmest base layer or would the 100% cotton be the warmest?
A shopper on Dec 18, 2016
Carhartt Base Force Extremes Super-Cold Weather Crewneck
Carhartt Base Force Extremes Super-Cold Weather Crewneck
Carhartt Base Force Cotton Super-Cold Weather Crewneck Top
Carhartt Base Force Cotton Super-Cold Weather Crewneck Top
BEST ANSWER: Both styles are just as warm and are the warmest we offer.
I must have 100 percent cotton thermal underwear
no, I work on live electric and must cotton thermals. Do you sell them ?
Ross H on Oct 24, 2016
BEST ANSWER: Yes, we do. The following base layer top and bottom are 100% cotton. Style #100639 - http://www.carhartt.com/products/Carhartt-Force-Cotton-Super-Cold-Weather-Crewneck-Top-100639 and style #100640 - http://www.carhartt.com/products/Carhartt-Force-Cotton-Super-Cold-Weather-Bottom-100640.
What is the source of this product?
Anna C Staff on Jun 1, 0016
BEST ANSWER: This product is imported.