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Aerofit is BTwin's top range of kit, and this Gilet follows the same close-fitting, performance-orientated fit we saw in the Aerofit Bib Shorts I tested recently. The quality and finish is pretty exceptional when you consider its £39.99 price tag.
A good, lightweight gilet is a wardrobe must not just for spring and autumn, but also for those cooler summer days too. Early morning starts, when the air is still crisp but you know it's going to warm up before you get home, call for a gilet that can provide you with enough warmth to start with but also be thin enough to pack down into a jersey pocket.
The Aerofit manages this with ease thanks to a windproof membrane on the front to stop the chills and a mesh back panel to let any heat build-up escape, stopping you getting clammy.
Although it's not designed to, that membrane also works pretty well against light rain and drizzle – you can see the water bead off as you're riding. It doesn't take long to be overwhelmed by heavy rain, but considering it's not being marketed as a waterproof I'd say it does a very good job.
As I've mentioned, the gilet is tailored to offer a pro-level close fit, both to keep you warm and to avoid any material flapping about in the wind.
The tail is a little longer to give your lower back some extra coverage when in the drops, and an elasticated hem keeps everything in position. You get the same at the sleeves too, which also stops any draughts from getting in.
For the same reason the Aerofit also has a tall neck with a zip garage to stop anything digging into your throat.
The only thing I'd say the gilet really lacks are pockets; admittedly, not every gilet has them but it is something I like to see, even if it's just a small zipped one. It's a minor quibble, though, and their omission does mean the Aerofit folds down very small and flat.
As far as value goes, the Aerofit stands up very well at just under 40 quid; compare it to the Madison model recently tested – a very good gilet for its £45 asking price – and the BTwin just feels a little bit better in every respect, and it's at least 50g lighter too.
The quality of the manufacturing is as impressive as it normally is from BTwin (that's 'impressive') and another plus point to add to the value stakes. The stitching is tight and tidy, with no loose threads apparent.
Overall, the BTwin Aerofit Gilet is one of the best I've used for varying temperatures, as well as being easy to pack down and fit in your pocket. The shape is well cut, so it fits everywhere it should without leaving any excess material flapping about. On the whole, it's really hard to fault.
Excellent race-ready gilet that impresses even in poor weather
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road.cc test report
Make and model: BTwin Aerofit Road Cycling Gilet
Size tested: Medium
Tell us what the product is for, and who it's aimed at. What do the manufacturers say about it? How does that compare to your own feelings about it?
BTwin says, "This Aerofit, men's, cycling gilet offers excellent protection from the cold thanks to the windproof membrane at the front. Well ventilated mesh back for great moisture management."
The cut and performance makes it feel like a very top end piece of clothing, while the price tag begs to differ.
Tell us some more about the technical aspects of the product?
WINDPROOF: Windproof front section for better thermal protection.
MOISTURE MANAGEMENT: Mesh back for excellent moisture management.
MUSCLE SUPPORT: Body-hugging fit for a "second-skin" effect.
COMPACT DESIGN: Really compact when it's packed away, so it easily fits into a pocket.
SIZES: Available in sizes S to XXL
COLOURS: Available in black/blue
Spot on to the size guide.
How easy is the product to care for? How did it respond to being washed?
A really simple product to look after. Simply wash and hang to dry.
Tell us how the product performed overall when used for its designed purpose
It's one of the best fitting and performing gilets out there for this price.
Tell us what you particularly liked about the product
Tell us what you particularly disliked about the product
Lack of pockets.
Did you enjoy using the product? Yes
Would you consider buying the product? Yes
Would you recommend the product to a friend? Yes
Use this box to explain your score
BTwin products are well known for offering quality at very affordable prices so it's no surprise the Aerofit Gilet isn't any different; the excellent racing fit and impressive windproofing makes it stand out all-round.
About the tester
I usually ride: This month's test bike My best bike is: Mason Definition
I've been riding for: 10-20 years I ride: Every day I would class myself as: Expert
I regularly do the following types of riding: time trialling, commuting, club rides, sportives, fixed/singlespeed
With 20 years of road cycling and over 150,000 miles in his legs it's safe to say Stu is happiest when on the bike whatever the weather. Since writing his first review for road.cc back in 2009 he has also had a career in engineering including 3D-CAD design and product development, so has a real passion for all of the latest technology coming through in the industry but is also a sucker for a classic steel frame, skinny tyres, rim brakes and a damn good paintjob.
His fascination with gravel bikes is getting out of control too!