When the Adidas Boost trainer was launched in the summer, it was a massive deal. Or at least, they made it out to be.  It was a ‘revolutionary’ trainer, which was set to change the world of trainers. I have to admit, I was somewhat cynical about this. Firstly, I’m a Mizuno girl and Adidas has never really been a brand I’ve got on with for running shoes. However, I was given a pair to use for when I was filmed for Jantastic, a great inclusion activity encouraging more people to be running active from January to March. I couldn’t wait to try them out – the fact that they are extremely bright purple endeared me even more!
I was still dubious about how they were going to ‘boost’ a run though…

The Sciencey Bit

Normal trainers use a type of foam called EVA, which has been used by all the major trainer-makers for as long as running has been a sport for the masses.  As a material it has dominated the market.  Adidas, however, has spent the past 3 years trying to create something to challenge EVA… and developed a totally new material called Boost.  Boost, Adidas claims, is superior to EVA in a number of ways. With EVA, you can only either have a lot of cushioning and a lack of response, or a very responsive shoe with barely any cushioning.  EVA also loses its flexibility in very cold and very hot weather, and so the cushioning is negatively effected. With Boost, you can consistently, apparently, have a cushioned and responsive ride.

The Important Bit – Visuals

The shoes are pretty, there’s no doubt.  Bright purple. Amazing.  I’m not sure what I think of the Boost material though – it looks like polystyrene.  I mean, you get used to it, and I can see past it, but it really is quite strange looking.
On, the shoes feel pretty cool – all bouncy and springy.

The Running Bit

Running in the shoes is very fun.  They definitely feel different to your average trainer, and you feel like you are running on something squishy. It’ll be interesting to see if this ‘squishyness’ holds out over time.  The furthest I’ve run in them is 6 miles, but I’ll be testing them out over longer distances in the coming weeks. Part of the benefit of Boost, says Adidas, is that there is greater energy return from the trainer – the bubbles in the polystyrene-type material being magic and storing your expended energy and releasing it as you run (this is where I become a little confused and cynical).   This energy release is perhaps the more springy part of my running.

The Good Bits

The shoes look fabulous, once you’ve gotten over having polystyrene looking material in your trainers. They are definitely bouncy and responsive and you can definitely notice a difference between running on Boost to normal trainers. I’m excited to run some speedy shorter distances with some added Boost!

The Bad Bits

Now, I was blaming my chubby feet for how tight the trainers felt, but I’ve read a couple of other reviews of the shoes and it would seem this is a common issue.  The upper is made of compression material, meaning that they are tighter than a normal trainer.  You do get used to it, but they are snug and something that some people might not enjoy.
The other problem with this material is that it is quite thin and doesn’t offer a huge amount of protection against the elements… when it rains, you will get wet.  It may also be worth wearing your thicker socks. If you can get them on…

Despite my initial cynicism around the claims Adidas make about Boost, I was surprised by the difference I felt running in the shoes. They definitely are bouncier, and you can feel that it is a very responsive trainer.  Good work, Adidas and I’m looking forward to using the trainers more and more (in the summer perhaps!).


To find out more about Adidas Boost , visit

Cathy Drew is a marathon runner and fitness instructor from Brighton. She maintains a blog about her running exploits and is a gluten free runner. You can follow her @cathydrewbies


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