Quick Summary
The LAPASA Men’s Ultra Warm Thermal Long Johns Set is a double layer fleece lined base layer underwear set with a top and bottom in M63 Black, size L. It is described as an ultra heavyweight base layer for colder conditions, with an open fly design and stretch fabric for freedom of movement.
Who It Is Best For
This set is for buyers looking for thermal underwear worn as a base layer, especially when a top and bottom together are needed in the stated colour and size. It is also worth checking the fit if you want an open fly design and a snug thermal layer under clothing.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | LAPASA. |
| Product type | Men’s thermal long johns set with a top and bottom. |
| Variant | M63 Black, size L. |
| Layering | Double layer construction for a thermal base layer fit. |
| Inner material | 95% polyester and 5% spandex, described as velvety inside. |
| Outer material | 52% cotton, 44% polyester and 4% spandex, described as a soft fleece outside. |
| Design feature | Open fly design for easy access. |
| Cuffs | Ribbed cuffs are stated in the description. |
Why Buyers Choose It
- Double layer fleece lined construction gives a clearer thermal base layer specification for colder-weather wear.
- The stated stretch fabric supports movement when worn under clothing.
- The open fly design adds a specific functional detail for everyday use.
- The set includes both top and bottom, which is useful if you want matching thermal layers in one purchase.
What To Know Before You Buy
Check the size and colour carefully before ordering, as this listing is for Black in size L. The set is a top and bottom base layer, so it is worth confirming that you want both pieces together. The double layer, fleece lined construction and open fly design are the key verified features to review against your intended use.
Common Buyer Questions
What is included?
A top and bottom thermal long johns set.
Does it have an open fly?
Yes, the design includes a double layer open fly.
What materials are mentioned?
The inner material is listed as 95% polyester and 5% spandex, and the outer material as 52% cotton, 44% polyester and 4% spandex.
What size and colour is this version?
This version is M63 Black in size L.
Final Buying View
If you want a men’s thermal base layer set with a top and bottom, this LAPASA option gives you a double layer, fleece lined design in the stated size and colour. Review the fit, the open fly design and the included set format before ordering.





