Reebok Men's Underwear Base Layer Pant, S-2XL
Reebok Men's Underwear Base Layer Pant, S-2XL
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Reebok Men's Underwear Base Layer Pant, S-2XL

1,076 ratings

Key item features

  • High-Quality Material: Made from 100% Polyester Interlock for durability and comfort.
  • Easy Care: Machine washable for convenient cleaning and maintenance.
  • Imported Product: Manufactured overseas, ensuring global quality standards.
  • Enhanced Flexibility: Features stretch zones and reinforced seams for unrestricted movement.
  • Outdoor Layering: Designed specifically for layering during outdoor activities to keep you warm.
  • Moisture-Wicking: Wicking fabric draws sweat and moisture away from the body, keeping you dry.
  • Active Lifestyle: Ideal for men who engage in intense physical activities and need reliable thermal bottoms.
  • Breathable Fabric: Ensures comfort during intense activities while maintaining core warmth.
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Customer ratings & reviews

4.5 out of 5 stars
stars
1,076 ratings258 reviews
How item rating is calculated

Reviews summary

Pros

  • : Made of gentle material against the skin.
  • : The product delivers good quality relative to its cost.
  • : The garment provides a snug, well-fitting profile.
  • : Ideal for cold weather use under jeans.
  • : Made with durable and sturdy materials.

Neutral

  • : Can be generous, but may run short for taller users.
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Showing 1-3 of 258 reviews

Feb 5, 2026
Reviewer name: Josh
Top Reviewer
Item details
Color: Black
Clothing size: S
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Excellent

Thermal underwear that feels very similar to compression pants. Material is thin but warm, tough and comfortable. I'd certainly recommend these, especially while on sale. Pick up enough to last a lifetime. If you're familiar with military silk weight pants and shirts, this is very similar in performance but better in comfort.

Helpful?58SDY376Q9BP177686528
Feb 8, 2026
Reviewer name: MrPB
Top Reviewer
Item details
Color: Black
Clothing size: 2XL
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

comfortable

these pants are quite comfortable. they have some compression but are more about an underlayer. I wear them working out or just when going out in basketball shorts. they keep you warm on those cooler days. they are also great during the summer to keep bugs at bay or just working in the yard if your skin is sensitive to brush . the fit is true to size. they do start to run a bit short if your over 6feet though. material is soft and comfortable. I am gentle when pulling them on as they are not super thick but I haven't run into any tears or holes as of yet. price was fair. shipping was same day right to my porch

Helpful?58SDY376Q9BP177686528
Jan 1, 2026
Reviewer name: Kerry
Item details
Color: Black
Clothing size: 2XL
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

So far they're just what I needed

I needed the thermals to fit close to the skin underneath my sweatpants and/or rain gear for winter walks in Boise and they provide the needed warmth in this climate. Great for layering. Too early to tell how long they will last but they appear to be well made and I trust the Reebock brand.

Helpful?58SDY376Q9BP177686528
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