Zerofit Heatrub Ultimate Base Layer Leggings - Black

Unisex leggings with friction based heat thread technology that creates warmth in low temperatures

Details
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in Base Layers
£47.99
RRP £59.95 - save £11.96

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Verified Customer Reviews for Zerofit Heatrub Ultimate Base Layer Leggings

Our customers say…
Customers generally praised these base layers for their warmth, comfort, and effectiveness in cold conditions. Many appreciated that they keep you warm without causing overheating, while some noted the importance of ordering a size up for a better fit. A few mentioned the minor irritations such as the material being slightly scratchy, but it did not largely affect comfort. Overall, the base layers were highly recommended, valued for their warmth and breathability during activities.
AI-generated from the text of our verified customer reviews
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Zerofit
5
25 Feb 2026 by Anonymous
Like this product not sure if it's worth the £60 price tag though
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Very Warm
4
24 Feb 2026 by Mark
Extremely warm enabling less layers to be worn. Only downside is that it seems to be wearing out quicker than I was expecting
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Toasty and comfortable
5
14 Feb 2026 by Craig D
These are the warmest base layer trousers I've ever had and coupled with the Zerofit heatrub ultimate top you'll be warm and cosy all day
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These things are fantastic
5
07 Feb 2026 by Marcus
I am amazed at how warm these are. Been out for a couple of hours in 2degrees and not felt the cold ( wearing them under Alpine Stars drystar 2)
I’ve got the top as well. I’ve seen reviews where people say they are scratchy or uncomfortable. I don’t find this at all.
I thoroughly recommend this product.
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Size matters
3
27 Jan 2026 by Anonymous
A good quality product, warm and great under leathers. The sizing lets this product down. I’m a large and purchased large, first impression they felt great. After use the legs ride up, too short and the seat rides down, the leggings need more length in the leg and room in the seat and a higher waste.
Probably, on balance should have tried XL
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Excellent gear
5
23 Jan 2026 by Richard
Bought this alongside the top. As with the top friends said this might be itchy but it isn't at all. Very comfortable and good fit with 30 inch waist and 30 inside leg. Does the job well. Would definitely recommend.
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Very fitting to the body
5
18 Jan 2026 by James
Exactly what I expected
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Warmest base layers ever
5
17 Jan 2026 by Daniel
Tried for the first time at the weekend, warmest base layers I've ever owned.
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Does the job but no choice for woman
3
13 Dec 2025 by Dagmara
It’s pretty warm but it’s only male version and it’s noticeable under leggings. Looks embarrassing in certain area.
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Warm base layer
5
02 Dec 2025 by Anton
Perhaps the warmest base layer available.
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Probably the best
4
15 Nov 2025 by Berkeley
Despite some reviews saying they’re scratchy or irritating on the inside, I found them very comfortable. Not so sure about the “heat rub” effect being relevant on a motorcycle, but they are the warmest leggings In the wardrobe. Not five stars due to the cost.
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Game changer
5
15 Nov 2025 by Jonny
Extremely comfortable and cosy and perfect for these cold mornings. Not too hot when you stop so not uncomfortable heat. Size was perfect in Large for 36” waist. Definitely recommend these and the top as perfect bases layers.
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Excellent product
5
01 Nov 2025 by Graham
Super warm
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Warm when it's cold yet still comfortable when it
5
26 Oct 2025 by Pat B
I bought these for a trip to France at the end of September, knowing that I would have to leave in the early hours of the morning for a 2.5-hour ride down to Dover. Despite the overnight temperatures being chilly, 8-10 degrees C IIRC, my legs remained comfortable only wearing single-layer jeans over the top. Once in France, the temperatures rose to the mid-teens, but I didn't feel too hot. They do an amazing job of keeping you warm whilst breathing well, so you don't overheat when it gets moderately warm. They are also very comfortable.
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Good quality
5
01 Oct 2025 by Peter
After purchasing these previously, my partner wanted more of them before winter. Nice and thin, as used by Glen Irwin, keeps you warm but giant bulk you out.
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Keeping warm
5
24 Sep 2025 by Trikie
Great product comfortable and warm
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It works!
5
24 Apr 2025 by Mark
Wasn't sure about all the hype regarding Zerofit, but i can confirm it does truly work, you definitely can feel the warmth coming through, especially when you start moving about on and off the bike. I would recommend for sure. Great quality and a good fit to without been overtight. I will be using these under my jeans on cold winters day when not biking also!
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Absolutely perfect! ??
5
23 Mar 2025 by Adrien
Exactly what I need. Keeps me warm in the cold and cool in the heat. N. B., Order one size up than your normal fit. As they do fit tight
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Description

Zerofit Heatrub Ultimate Base Layer Leggings - Black

  • 68% Acrylic, 21% Nylon, 2% Polyester, 7% Wool and 2% Polyurethane construction
  • Does not restrict movement
  • Friction based heat thread technology that generates warmth
  • Retains warmth
  • Optimal in temperatures as low as -10°C
  • Double loop barrel fabric
  • Unisex fit

Size Guide
XSSMLXL2XL3XL
WAIST(In)22-2626-3030-3434-3838-4242-4646-50

The Heatrub technology, engineered in Zerofit's Japanese homeland, uses 'double-loop' barrel fabric which provides both heat insulation and 'friction heating'. The extra-long heat threads ensure a layer of warm air is retained around your legs and even just a little movement of these bristles causes friction which creates cosy warmth.

Product Specification Manufacturer
Questions and Answers

Questions and Answers

  • Are they true to size or do I need to size up or down?

    January 27, 2025

    We would advise to size up.

  • Do they have open or closed fly

    December 2, 2024

    This has an open fly.

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