Quick Summary
Runhit men27s thermal underwear leggings are a black 2XL base layer with an open fly. They are made from 88% polyester and 12% elastane, with a 230 g/mb2 thermal fabric and a softly brushed fleece interior.
The cut is described as slim, with a gusseted crotch and anatomical 3D shaping. The fabric is also described as breathable and moisture-wicking, which makes the leggings a practical winter layer when warmth and ease of movement both matter.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | Runhit – useful for matching the exact product line. |
| Product type | Men27s thermal underwear leggings / base layer bottoms. |
| Colour | Black. |
| Size | 2XL. Check this against the fit you need before choosing an offer. |
| Fly opening | Open fly. |
| Material | 88% polyester and 12% elastane. |
| Fabric weight | 230 g/mb2 thermal fabric. |
| Interior finish | Softly brushed fleece interior. |
| Fit features | Gusseted crotch and anatomical 3D shaping. |
| Fabric properties | Breathable and moisture-wicking fabric. |
What to Compare Before Buying
- Size: This pair is 2XL. Compare it with the fit you normally need for base layers, especially if you prefer a closer or looser feel.
- Fly style: The open fly is a defining feature, so check that this is the style you want.
- Fabric blend: The leggings use 88% polyester and 12% elastane, which is relevant if you prefer a particular feel or stretch level.
- Layering use: The slim profile is intended to sit under other clothing, so compare it with the trousers or sportswear you plan to wear over it.
Choosing the Correct Version
This version is black in 2XL. If you need a different size or colour, make sure the selected variation matches what you want before completing the purchase.
Before You Decide
Check the 2XL size, the black colour and the open-fly design before choosing an offer. The brushed fleece interior, 230 g/mb2 thermal fabric and slim layering profile make it a straightforward winter base-layer option.





