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Craft Be Active Extreme LS Baselayer



Top performance base layer for the chilliest conditions, for a reasonable price

At every product is thoroughly tested for as long as it takes to get a proper insight into how well it works. Our reviewers are experienced cyclists that we trust to be objective. While we strive to ensure that opinions expressed are backed up by facts, reviews are by their nature an informed opinion, not a definitive verdict. We don't intentionally try to break anything (except locks) but we do try to look for weak points in any design. The overall score is not just an average of the other scores: it reflects both a product's function and value – with value determined by how a product compares with items of similar spec, quality, and price.

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Swedish company Craft knows a thing or two about developing clothing for the cold weather, and boy does it show in this Active Extreme baselayer. If you're on the hunt for a really toasty baselayer to deal with the coldest weather we get in the UK, this one comes highly recommended.

You can spend a small fortune on a decent high quality jacket, but it's almost worthless if it's not underpinned by a high quality baselayer. At £37 (cheaper if you shop around) the Craft baselayer is a solid foundation for the start of any successful winter layering system.

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It's made from 100% polyester and is surprisingly soft next to the skin, more so than merino and I'm a real wool fan. The material is ribbed and very stretchy. The fit is superb, really figure-hugging stuff, but the stretch means it doesn't feel tight or restrictive around the shoulders or torso. The close-fitting arms are a real benefit with any closer fitting jackets and long sleeve jerseys as well. All the seams are flatlocked.

Craft Active Extreme baselayer - riding.jpg

The fabric has hollow fibres that along with the channels help to pull sweat away from the skin and pass it to the next layer to deal with. What it means in the real-world is really good insulation even on the chilliest mornings. Plus you can work up a lot of sweat and the baselayer copes admirably, never becoming excessively damp with sweat. It never smelt bad even during longer rides with the odd stop in a warm cafe.

>> Check out our guide to cycling baselayers here

I've been consistently impressed with Craft baselayers over the years and I'm always reaching for a Craft baselayer for big rides when I want the most comfort and warmth. It's a good multisport baselayer as well, I've used it for running, hiking and mountain biking. A lot of performance for not really a lot of money.


Top performance base layer for the chilliest conditions, for a reasonable price

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Make and model: Craft Active Extreme baselayer

Size tested: medium., White/Gecko

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?

Craft says: "The Craft Active Extreme range is designed to keep you dry and fresh in any cold weather workout. The advanced fabric technologies keep you drier, lighter, fresher and warmer."

Tell us some more about the technical aspects of the product?

Comforts your body in zones you need it

- Ergonomic fit and perfect drying effect

- Thin, lightweight and extremely elastic

- Flatlock seams that follow body movements

- Keeps you fresh during exercising

Rate the product for quality of construction:

No complaints, top quality stuff here.

Rate the product for performance:

A top quality baselayer is fundamental to your layering for cycling in the cold, and this is one of the best baselayers you can buy.

Rate the product for durability:

I've worn one of these baselayers for hundreds of days over the last couple of years, and wear and durability is brilliant.

Rate the product for comfort, if applicable:

Soft on the skin, and the stretchy fabric improves the fit.

Rate the product for value:

A lot of performance and insulation for not a huge outlay.

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

Wear with a softshell jacket and you can plunge into some pretty cold weather quite happily.

Tell us what you particularly liked about the product

Excellent fit and soft on the skin.

Tell us what you particularly disliked about the product

Nothing to dislike.

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

A high quality baselayer that provides superb warmth backed up with a great fit, and it doesn't cost a fortune

Overall rating: 9/10

About the tester

Age: 31  Height: 180  Weight: 67

I usually ride:   My best bike is:

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: road racing, time trialling, cyclo-cross, commuting, touring, mountain biking

David worked on the tech team from 2012-2020. Previously he was editor of and before that staff writer at RCUK. He's a seasoned cyclist of all disciplines, from road to mountain biking, touring to cyclo-cross, he only wishes he had time to ride them all. He's mildly competitive, though he'll never admit it, and is a frequent road racer but is too lazy to do really well. He currently resides in the Cotswolds, and you can now find him over on his own YouTube channel David Arthur - Just Ride Bikes

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