
Zerofit Heatrub Ultimate Base Layer Long Sleeve Shirt - Black
Base layer shirt with friction based heat thread technology that creates warmth in low temperatures
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in Base Layers£50.96
RRP £59.95 - save £8.99
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Verified Customer Reviews for Zerofit Heatrub Ultimate Base Layer Long Sleeve Shirt
Our customers say…
Customers consistently praise this base layer for its warmth and comfort, with one noting it kept them cosy even during early morning rides. Others mention its thickness and "woolly" feel, appreciating how well it retains heat. Some found it runs small, advising sizing up. A few enjoy its breathability, even in milder conditions, though it can generate static. Despite minor concerns about fit, like sleeves riding up, customers are generally pleased with its performance and quality.
AI-generated from the text of our verified customer reviews
Helpful?
Awesome
26 Feb 2026 by Samantha
This has to be the best base layer I have ever owned. Lovely material, nice and stretchy and very warm. Rode home over the snake pass at -1 plus wind chill and I was nice and toasty
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Very Warm
24 Feb 2026 by Mark
Extremely warm when on the bike, enabling less layers to be worn. Only downside is it seems to be wearing out quicker than I was expecting.
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It simply keeps you warm
23 Feb 2026 by Anonymous
What a gorgeous product which says what it does on the promo, keeps you lovely and warm and easy as rubbin your arms to stimulate additional heat.
A excellent product and I’m looking at buying additional units, impressed with this item
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ZEROFIT HEATRUB ULTIMATE BASE LAYER SHIRT
06 Feb 2026 by Mike G
Lovely soft feel, instantly feel warmer.
Expensive but far superior to my usual merino wool vest top.
Excellent service as usual from SBS.
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It works
03 Feb 2026 by Keith T
A fantastic piece of kit, it really is warm as soon as you put it on.
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Great quality
03 Feb 2026 by Chris C
Well made and very warm. You can feel the warmth as soon as you put it on
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Warm and comfortable
03 Feb 2026 by Tom
Does what it promises- very warm, very comfortable. Small roll neck isn't too tight, as well. Would recommend, even though it is on the slightly more expensive side
Helpful?
Super warm
26 Jan 2026 by Stav T
Great value and warmth for money compared other options. Too bad the neck roll is a bit loose.
Helpful?
Warm, comfortable
24 Jan 2026 by Rach
Bought as a present. The recipient says it's very warm and feels nice and furry on the inside. The high neck is a definite plus.
It's also very comfortable and stretchy. No chafing or rubbing.
Would recommend buying a size larger than you'd normally go for.
In my opinion, it makes him look like the man from the Milk Tray adverts in the 1970s.....
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Excellent gear
23 Jan 2026 by Richard
Friends said this shirt might be itchy but it certainly isn't. Very comfortable and unless really low temperatures can wear it without other layers. Fits well with 37/38 chest. Definitely would recommend.
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Excellent product, delivery prompt as usual, thank
20 Jan 2026 by Anonymous
Excellent product, very warm and comfortable, would recommend this base layer.
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Base layer
20 Jan 2026 by Stephen b
Really warm no need for heated jacket, great product, outstanding service from sportsbikeshop as usual.
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Stay warm this spring
18 Jan 2026 by Larry F
I am amazed how technology has improved so much in this area. They keep you warm and also fit great
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Warmest base layers ever
17 Jan 2026 by Daniel
Warmest base layers I've ever owned
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Very warm and comfortable, bought for skiing but h
12 Jan 2026 by TonySp
This is much warmer then the top branded x-warm base layer I have been using for skiing and biking. Very comfortable, feeling nice against the skin. Used at around zero centigrade freezing temperature whilst mountain biking, with just the winter biking jacket over the base layer. Did start out with a mid layer but had to remove that since I was getting too warm.
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Warm as toast
12 Jan 2026 by Dave F
Does exactly what it says on the tin. Keeps me warm as toast whilst fishing in freezing conditions. Will be buying some matching leggins utilising the generous £5 voucher I have been sent
Helpful?
Zerofit
30 Dec 2025 by Anonymous
Bit overrated with a lot of hype. brought the cold one for summer used and that was very good 5star so was expecting the same have cheaper base layers that are just as good if not better.
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Brilliant top
14 Dec 2025 by Colin
I ise thos for the bike and dog walking.
Excellent heat quality.
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Press Reviews
Description
The Heatrub ultimate base layer has technologically enhanced heat threads inside, which are activated through even the slightest of movements. Gently brushing against the skin to generate positive warmth instantly. The Ultimate has got you covered in temperatures as low as -10°C.
Product Specification
Variants
Manufacturer
Zerofit Heatrub Ultimate Base Layer Long Sleeve Shirt - Black
- 68% Acrylic, 21% Nylon, 2% Polyester, 7% Wool and 2% Polyurethane construction
- Does not restrict movement
- Friction-based heat thread technology
- Retains warmth
- Optimal in temperatures as low as -10°C
- Looser neckline design
| XS | S | M | L | XL | 2XL | 3XL | |
|---|---|---|---|---|---|---|---|
| CHEST (In) | 28-32 | 32-36 | 36-40 | 40-44 | 44-48 | 48-52 | 52-56 |
The Heatrub ultimate base layer has technologically enhanced heat threads inside, which are activated through even the slightest of movements. Gently brushing against the skin to generate positive warmth instantly. The Ultimate has got you covered in temperatures as low as -10°C.
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