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Runhit Men27s Thermal Underwear Leggings with Open Fly, Black 2XL

Original price was: £16.99.Current price is: £9.98. (as of 10/13/2026 18:52 PST - DetailsProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.)

Runhit men27s thermal underwear leggings in black 2XL feature an open fly, brushed fleece interior and 230 g/mb2 thermal fabric. The slim base-layer design uses an 88% polyester and 12% elastane blend with a breathable, moisture-wicking finish.

SKU: B0H9YKQQ3K Category:

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.

Brand

Runhit

Manufacturer

Runhit

Binding

Apparel

Product Group

Apparel

Part Number

UK-FZMS0301757-06

Model

UK-FZMS0301757-06

Color

Black

Size

XXL

Number Of Items

1

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