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LAPASA Men's Thermal Underwear Set Soft Fleece Lined Long Johns Light/Mid/Heavy Weight Base Layer Top & Bottom M11/M24/M57

  • Based on 12,793 reviews
Condition: New
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Availability: In Stock.
Fulfilled by Amazon

Arrives Saturday, Nov 23
Order within 23 hours and 25 minutes
Available payment plans shown during checkout

Special Size Type: Thermoflux 100 Lightweight


Size: X-Large


Color: Black


Department ‏ : ‎ mens


Date First Available ‏ : ‎ May 17, 2023


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Saturday, Nov 23

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • Warmest Base Layer Ever
I am always cold. If the temperature is below 60F, I start having difficulty regulating my body temperature. I have spent more money on various "warmest rating" outerwear and base layers than I care to think about and nothing seemed to cut the cold of midwest winters...until these. I was so impressed with the performance of these that I now own four sets of the thickest/warmest ones as well as two of the mid-weight shirts for when I need a bit of added warmth but not a full set of base layers. I spent 16 hours insulating an attic while it was 19 degrees outside in just these with a sweatshirt and pants over them and I was never cold at ALL. They're also great for doing outdoor winter projects. Sizing/fit: Across the four sets that I now own, there is some slight size variation but not enough that I would order anything but my usual size. The navy blue set runs a tad short/small but it works just fine. I believe these generally fit very true to size. These have a lot of stretch for ease of movement and don't fit as snug as many base layers do. I like that. If you're on the fence about size, unsure whether to buy your usual size or size up, I would suggest your usual size. Bottom line: if you're on the fence and wondering if this will just be another base layer than makes promises it can't keep, these actually do the job and do it well. GET THEM. ... show more
Reviewed in the United States on December 31, 2023 by sbonne

  • Amazing!!!!
Wool make me itch to madness. These were perfect under a thick shirt and snow jacket in Anchorage AK in April watching the Northern Lights at night.
Reviewed in the United States on April 26, 2024 by AC

  • Best thermal wear I have bought.
Best thermal wear I have bought. I purchased this brand without even looking at a review. It seems I have made a great choice due to I have now bought a second set. I noticed a change in temp. immediately when I put them on. Love them and will more than likely buy more. Thanks you for an awesome product. ... show more
Reviewed in the United States on March 22, 2024 by Alan 'Kaligar Prime' Jones

  • They’re fine
Special Size Type: Thermoflux 300 Heavyweight Size: Large Color: Navy Blue
Comfortable enough to sleep in. Seem to keep sweat off so I haven’t gotten chilled from working hard and then getting cold when I can sit for a bit.
Reviewed in the United States on April 12, 2024 by Christina Brewer

  • Warm
Very warm, great thermals for winter. Buying more
Reviewed in the United States on April 22, 2024 by Lee

  • very comfortable and warm
I got these to wear as pj tops or under shirts. They are very soft and warm. A little pricey, but when you get one, I'm sure you will order more. Just make sure you get the 300 weight if you want a heavier warm shirt. Also, order a size up...better to big than too small.
Reviewed in the United States on March 17, 2024 by Amazon Customer

  • This photo is not this item!
Special Size Type: Thermoflux 300 Heavyweight Size: Large Color: Dark Red
After seeing this photo, this is what I was expecting. My fault, I neglected to read the entire 12 paragraph review where the reviewer stated "item for comparison". Photos of other items should be prohibited in reviews, as they are easily mistaken for actual item. That said, I give the long johns a 5 star review. Very warm, super comfortable, neck/sleves and wrists well tailored. Waist while wel made, thin which I like, was a bit big. If you're not concerned with color, you can purchase shirt and pants separately so they are sized correctly for your body. And if you shop the sales you can save some money. I will buy these again. ... show more
Reviewed in the United States on January 3, 2024 by john john

  • Great customer service, Great quality, High hopes!
First, let me say that, while I ordered a medium, a large with shipped to me. Rather than go through the return, refund and reorder process, I decided to try contacting LAPASA first. A representative replied to my message in the same day, offering to send the correct size straight away or refund the product immediately. The representative, who did supply her name, did not request that I leave positive feedback (or any feedback at all) as a stipulation to receive her assistance. She just acknowledged the problem, offered the solutions and did it in a friendly manner. I chose a replacement. Great communication and resolution. As stated, my info is 195lbs / 6'0" / Size: Medium. I originally ordered the large and it was too loose on me/didn't hug my skin. The mediums fit perfect. I have long arms and legs with a short torso. Even so, the length of both the top and the bottom is good. Although I haven't worn these in very cold weather, the thickness and quality of the outer material is very good. Added to that, the fleece inner material is substantial & soft. These thermals should perform very well in cold weather. Indeed, they do seem to be heavyweight as promised. I will update after testing them in said conditions. For my preference, the thermal shirt could be longer in terms of body length. But it does have sufficient length to be tucked in. I believe this product to be a fantastic buy and my update will be posted very soon, as the weather has just turned, heading towards bitter cold. (I've included two images of the inside fleece material in an attempt to illustrate the thickness and quality. Otherwise, the set looks exactly the same as pictured.) ... show more
Reviewed in the United States on November 16, 2022 by Todd E Astarita Todd E Astarita

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