Quick Summary
HIPOWER Men’s Thermal Underwear Long Johns Bottoms are fleece-lined black base-layer pants in size M. The pair is presented as winter underwear and can also be worn as leggings, pajama trousers or a base layer under clothing.
The fabric is described as 92% polyester and 8% spandex micro-fleece, with an elastic waistband and 4-way stretch. The cut also includes a fly/pee hole design, so it is worth checking whether that layout suits your preference before choosing an offer.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | HIPOWER. |
| Product type | Men’s thermal underwear long johns bottoms. |
| Colour | Black. |
| Size | M. Check this matches the fit you need. |
| Fabric | 92% polyester, 8% spandex micro-fleece fabric. |
| Waistband and stretch | Elastic waistband with 4-way stretch. |
| Design detail | Fly/pee hole design. |
What to Compare Before Buying
- Size: This version is M, so compare it with the fit you usually choose for base layers or underwear.
- Fabric mix: The stated 92% polyester and 8% spandex blend gives the buyer a clear material check before ordering.
- Design: The fly/pee hole layout is a practical detail to confirm if that matters to you.
- Layering use: As a base layer, check that the cut and size suit wear under other clothing.
- Intended wear: The item is shown for winter, sports, pajama and base-layer use, so compare it with the way you plan to wear it.
What Else You May Need
No extra items are named as part of the garment itself. If you are buying it to wear under other clothing, make sure your outer layer and size choice work together comfortably.
Before You Decide
Confirm the black M variant before choosing an offer. Check the size, the fleece-lined fabric mix and the fly/pee hole design against what you want from a winter base layer or thermal bottom.






