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“These are the best t-shirts I’ve ever worn. I wear them daily - not as an undershirt but as a shirt. Fit is great, color is great, and they really are flattering.”

- Dave S.

"Love the fit and material, can be dressed up or be casual. I now have it in 3 colors."

- Shauna S.
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  • Foundation Thermal Long Sleeve Crew 3-Pack: Black, White, Mercury Green | Fresh Clean Threads
    Foundation Thermal Long Sleeve Crew 3-Pack
    $117.00 $91.00
  • $117.00 $91.00
Foundation Thermal Long Sleeve Crew 3-Pack: Black, White, Mercury Green | Fresh Clean Threads
Foundation Thermal Long Sleeve Crew 3-Pack | Black Thermal | Fresh Clean Threads
Foundation Thermal Long Sleeve Crew 3-Pack | Model wears the White Thermal | Fresh Clean Threads
Foundation Thermal Long Sleeve Crew 3-Pack | Mercury Green Thermal | Fresh Clean Threads
Foundation Thermal Long Sleeve Crew 3-Pack | Closeup Thermal Details | Fresh Clean Threads
Foundation Thermal Long Sleeve Crew 3-Pack: Black, White, Mercury Green | Fresh Clean Threads

Foundation Thermal Long Sleeve Crew 3-Pack

  • Rated 4.7 out of 5
    Based on 164 reviews
    Click to go to reviews

    Foundation Thermal Long Sleeve Crew 3-Pack

  • Rated 4.7 out of 5
    Based on 164 reviews
    Click to go to reviews
  • Colors: Black, White, Mercury Green
    • Size Chart
  •  More payment options
  • Description
    +
    -

    Layer up with our Foundation Thermal Long Sleeve Crew 3-pack, featuring three essential colors in a classic, easy-to-wear style. Designed with a flattering fit and cozy thermal knit fabric, these shirts are the perfect everyday choice for exploring the great outdoors or just hanging out at home. Whether you're a fan of neutral shades or prefer to add a pop of color to your wardrobe, these shirts will keep you looking and feeling great all season long.

  • 100-Day Satisfaction Guarantee
    +
    -

    Free Returns/Exchanges: We’re so confident that you’ll love our products that we’ve added a 100-day satisfaction guarantee.

    If the shirt doesn’t hold up the way you think it should, just reach out to our customer experience team and we’ll replace it or refund you.

You May Also Like

Thermal Long Sleeve Crew | Fresh Clean Threads
Thermal Long Sleeve Crew | Fresh Clean Threads

All-Day Comfort

Flattering Fit for Ultimate Comfort

Experience the perfect combination of style and function with our Men's Thermal Long Sleeve Crew. Designed with a flattering fit, this thermal elevates your cold-weather wardrobe while keeping you comfortable. Whether you’re layering up for a day outdoors or keeping it casual indoors, this long sleeve thermal is crafted to move with you. Tailored for the modern adventurer, this thermal not only provides warmth but boosts your confidence with its sleek silhouette.

Ratings & Reviews

Rated 4.7 out of 5
Based on 164 reviews
Click to go to reviews
Quality
Rated 4 out of 5
Size
Rated 0 on a scale of minus 2 to 2, where minus 2 is They run a bit small, 0 is Fits true to size and 2 is They run a bit big
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average rating 4.7 out of 5
  • 5 Stars
    138 Reviews
  • 4 Stars
    11 Reviews
  • 3 Stars
    6 Reviews
  • 2 Stars
    4 Reviews
  • 1 Star
    5 Reviews
91% of reviewers would recommend this product to a friend
Write a Review
164 reviews
Review posted04/04/2025
Reviewed by Andrew
Charcoal Thermal Long Sleeve Crew
Reviewing
Charcoal Thermal Long Sleeve Crew
Rated 5 out of 5
5 Stars

Very comfortable and warm

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Review posted03/03/2025
Reviewed by Zane W.
Verified Buyer
Heather Grey Thermal Long Sleeve Crew
Reviewing
Heather Grey Thermal Long Sleeve Crew
What is your gender?
Male
Rated 5 out of 5
Finally a Shirt that Fits Correctly

Great quality, true t size fit, properly cut to fit the average male without looking baggy or too tight.

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I recommend this product
Quality
Rated 5 out of 5
Size
Rated 0 on a scale of minus 2 to 2, where minus 2 is They run a bit small, 0 is Fits true to size and 2 is They run a bit big
Was this helpful?
Review posted02/22/2025
Reviewed by Mark G.
Verified Buyer
Charcoal Thermal Long Sleeve Crew
Reviewing
Charcoal Thermal Long Sleeve Crew
How tall are you?
5'10 - 6'1
Describe your body type.
Dad Bod
What is your gender?
Male
Rated 5 out of 5
Great fit!

True to size. Warm. Love the cuffs

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I recommend this product
Quality
Rated 5 out of 5
Size
Rated 0 on a scale of minus 2 to 2, where minus 2 is They run a bit small, 0 is Fits true to size and 2 is They run a bit big
Was this helpful?
Review posted02/06/2025
Reviewed by Daniel S.
Verified Buyer
Charcoal Thermal Long Sleeve Crew
Reviewing
Charcoal Thermal Long Sleeve Crew
How tall are you?
5'10 - 6'1
Describe your body type.
Thin
What is your gender?
Male
Rated 5 out of 5
Great thermal!

This thermal shirt is form fitting, warm, nicely made, and looks great. I will be getting a couple more in different colors.

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I recommend this product
Quality
Rated 5 out of 5
Size
Rated 0 on a scale of minus 2 to 2, where minus 2 is They run a bit small, 0 is Fits true to size and 2 is They run a bit big
Was this helpful?
Review posted02/04/2025
Reviewed by William N.
Verified Buyer
Charcoal Thermal Long Sleeve Crew
Reviewing
Charcoal Thermal Long Sleeve Crew
How tall are you?
6'2 - 6'6
Describe your body type.
Dad Bod
What is your gender?
Male
Rated 5 out of 5
Thermal crew

Love it.

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I recommend this product
Quality
Rated 5 out of 5
Size
Rated 0 on a scale of minus 2 to 2, where minus 2 is They run a bit small, 0 is Fits true to size and 2 is They run a bit big
Was this helpful?
Thermal Long Sleeve Crew | Keeps You Warm | Fresh Clean Threads

Stay Warm, Whatever the Weather

Made for Every Adventure

The men's thermal long sleeve crew offers the perfect blend of warmth and versatility for your cold-weather wardrobe. Designed to keep you cozy during outdoor adventures or indoor relaxation, this thermal is ideal for layering under your favorite flannel or over a comfortable tee. With its rugged durability and flattering fit, it’s perfect for any scenario - from braving the elements to cozying up indoors.

Pair it with our Stretch Tech Pants, designed for flexibility and comfort in any setting, whether you're hitting the trails or heading to a casual gathering. Stay warm and stylish with this must-have thermal and elevate your outfit with our versatile pants.

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