The Endura Pro Jetstream III is a lightweight jersey in a slim cut that does a good job of keeping you warm on autumn, spring and milder winter days courtesy of windproof panels on the front and the arms.

The Pro Jetstream is mostly made from a Roubaix fabric, a fleecy polyester that's good at adding insulation while remaining very breathable.

The front panels, the tops of the arms and the collar – the most exposed areas when you're riding – are entirely different, though, made from a windproof fabric. This isn't the most breathable material ever, and it can be cold to the touch so you'd not want to wear it next to your skin (at least, I didn't like the feel when worn over a short sleeve base layer), but it does stop chilly air dead in its tracks. You don't need us to tell you how much difference windchill makes when you're heading fast downhill after working up a sweat on a climb, and this jersey minimises that.

Both fabrics are stretchy, the Roubaix more so than the windproof panels. The combination means the slim cut will still fit a large range of different builds. The fit on me was close and non-flappy without feeling over-tight (that's not me in the pictures). I found the neck about right too: not so large that it funnels air inside and not so tight that it's uncomfortable. If you're worried about sizing, check out the chart on Endura's website.

I'm just back from a medium intensity 10°C ride and I was perfectly happy wearing this over a long sleeve base layer. It would be good for a couple of degrees cooler at a higher pace. I tend to feel the cold more than most so chances are that you'd be comfortable in this with the temperature a little colder still.

All the details are neatly done. The full-length front zip is from YKK and it comes with a windproof flap behind it and a chin guard up top. If we're being picky – and we are – the zip pull could do with being larger. It's easy enough to grab in thin gloves but it takes some finding if you're wearing your big winter oven mitts.

The elasticated waist band comes with an excellent silicone gripper on the inside and you get three deep pockets in the lower back, the tops of the side ones slightly slanted for easier access. There's also a fourth zipped pocket back there for your valuables. It's just about big enough to take an iPhone 5 or similar. A small amount of reflective trim at the top of the pockets and the back of the neck helps with night-time visibility.

Verdict

Lightweight jersey in a slim cut that does a good job of keeping you warm on autumn, spring and milder winter days

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road.cc test report

Make and model: Endura Pro Jetstream III Jersey

Size tested: Red 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?

Endura list these features:

Athletic Wind Protection

* Sublimation printed windproof front and arm panels

* Insulating Roubaix fleece inner on back and back sleeve panel

* Athletic non-flap fit

* Full front zipper with sprung puller

* Triple rear pockets with reflective piping

* Zipped rear security pocket

* Reflective trims

Rate the product for quality of construction:
 
8/10
Rate the product for performance:
 
8/10
Rate the product for durability:
 
8/10
Rate the product for comfort, if applicable:
 
8/10
Rate the product for value:
 
8/10

Tell us how the product performed overall when used for its designed purpose

It does a good job of keeping the cold air out without being at all bulky.

Tell us what you particularly liked about the product

It's lightweight and non-bulky and it comes in a slim fit.

Tell us what you particularly disliked about the product

Despite following the washing instructions, some of the red dye stained the white panels, but it did wash out again eventually. The other thing is that the inner surfaces of the windproof panels feel very plasticky [checks. Oh! That is an actual word] and cold on the skin, like the inside of most waterproof fabrics. That meant I didn't feel very comfortable when wearing this over a short sleeve base layer in milder conditions.

Did you enjoy using the product? Yes.

Would you consider buying the product? Yes, it's very good.

Would you recommend the product to a friend? Yes.

Anything further to say about the product in conclusion?

It's a very good product at a reasonable price: a solid 8 all round.

Overall rating: 8/10

About the tester

Age: 43  Height: 190cm  Weight: 75kg

I usually ride:   My best bike is:

I've been riding for: Over 20 years  I ride: Most days  I would class myself as: Expert

I regularly do the following types of riding: commuting, club rides, sportives, general fitness riding,