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LAPASA Men's Ultra Heavyweight Thermal Underwear Set Extreme Cold Weather Base Layer Top Bottom Fleece Lined Long Johns M63

  • Based on 1,405 reviews
Condition: New
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Availability: 16 left in stock
Fulfilled by Amazon

Arrives Tuesday, Dec 24
Order within 22 hours and 19 minutes
Available payment plans shown during checkout

Size: XX-Large


Color: Heather Black


Department ‏ : ‎ mens


Date First Available ‏ : ‎ June 16, 2023


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Tuesday, Dec 24

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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Leasing options through Acima may also be available during checkout.

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Top Amazon Reviews


  • I love this set!
I love this set! It is super soft on my skin and incredibly warm. It isn't bulky either, so it fits well under my jeans. The shirt isn't super tight on the writst, which I prefer! I am so thrilled I made this purchase
Reviewed in the United States on February 25, 2024 by KharyP

  • Superb Product At a Good Price
Soft, thick, quality thermal protection at a great price.
Reviewed in the United States on December 26, 2023 by mark h johns

  • You know those glasses cleaning cloths? It's like that but thicker
Much thicker at that. I received these before I had to head off to work, which was quite awesome because I didn't have to work in the outdoors for the 12 hour shift thinking of fire-places and heaters all day in the sub-zero weather. When I first put them on, they felt a bit snug, but these are a base layer, so it was to be expected, but as thick as these are compared to my waffle knit, it was something I had to get used to. I was noticing them for quite some time during my shift, but eventually grew numb to the feeling of being hugged by spandex. I felt like I was wearing a dive suit, but with a soft lining interior and fabric exterior. For the performance, they performed quite well, not quite the 3 layers of fleece blanketing next to the radiator that I was hoping for, but far exceeded wearing 2 sets of waffle knits just to put off the cold a bit longer. As I stood outside, I felt as if I should have been sipping on something from a mug clasped with both hands, but I don't really think a man should ever hold a mug with both hands ever, so I held mine with just the one. I stood outside for a good 2 hours without working up a shiver, and never even came close, I felt like i could go another 10 hours or more. I would say after 20-30 minutes, if you're not shivering, you're never going to, unless the wind is blowing... really... really... hard, or you're skydiving, which neither of those things were happening, a few gusts here and there, but these didn't break a sweat. Speaking of sweat, they do not get you really hot either, they do a fantastic job at regulating your body temperature, unless you're sitting in a heated cab, they aren't going to bake you. Some additional thoughts. I'm not going to remove a star over this, because everyone has a different shape and size. I went by the sizing guideline, and I was right there at the line of L and XL, me being 6'1" and 185lbs, my gut told me XL, but logic and research said L. I went with L. while the pants and main shirt area are just the right size, the sleeves seem to ride up my arms a bit. It feels like the sleeves came off a medium shirt while the rest were stitched as large. I have received comments on my rather long arms in the past, so it's definitely my body's problem, because for some reason, I've been given XL arms for my regular L body. If anyone want's to trade arms, let me know. ... show more
Reviewed in the United States on January 25, 2020 by Charles Burgess

  • Very heavy but warm.
Bought these for a cold weather backpacking trip and while they are very warm they are very bulky and heavy. Good product but not for backpacking.
Reviewed in the United States on December 15, 2023 by Jeff Reed

  • Crazy thick
Size: Medium Color: Heather Gray
These are more like sweat pants and shirt. Great for very cold but anything 20 and about you could sweat. Go for the next thickness down
Reviewed in the United States on February 11, 2024 by make ready

  • Works well
Size: XX-Large Color: Navy Blue
I've used these under a SCUBA dry suit for very cold water diving and under warmups for walks in cold weather. I can't speak to their durability but I can tell you that they are very comfortable and very warm. working under a drysuit in 38-degree water should tell you everything, and at this price it's beyond amazing. ... show more
Reviewed in the United States on November 26, 2023 by Michael Dugan

  • Great base layer
Size: Medium Color: Heather Gray
I work all day outside in -5F windchill with this product as a base layer I’m warm all day. Great value!
Reviewed in the United States on January 17, 2024 by Jason kinder

  • COMFORT AND WARMTH
Size: Large Color: Dark Grey
LOVE IT. EXTREMELY WARM FAST ARRIVAL
Reviewed in the United States on January 17, 2024 by Susie Eastwood

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