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First Run In The Redesigned Adidas UltraBoost

Meet the new Boost, which for the first time is not the same as the old Boost. Since Adidas launched the original UltraBoost in 2015 it has largely been content to tinker with the formula rather than overhaul it with each new edition. That is until the UltraBoost 19, where Adidas has made some substantial changes to the shoe.

That starts with whacking 20% more Boost foam into the midsole, which Adidas has done without adding anything to the weight of the shoe (310g for men’s size 8.5 UK). The upper of the shoe has also been updated, with a Primeknit 360 sock sitting on top of the Boost foam that completely wraps the foot.

The midfoot cage has also been changed, which will delight many runners, especially those that took to cutting off the plastic on the original UltraBoost because they found it uncomfortable. On the UltraBoost 19 the cage has been replaced by a translucent mesh that locks the foot in place without imposing itself.

What really matters, of course, is what these changes mean in terms of your experience when running in the shoe. So we asked Anne Nebendahl, global senior design director, what runners could expect from the UltraBoost 19.

“When you step in it, the fit from the Primeknit 360 gives a great experience,” says Nebendahl. “It really feels like a sock, and you also get an extra boost from the torsion bar and the more Boost in the midzone.”

That torsion bar is designed to put a bit of snap in every step, speeding the transition from heel to toe while running. The UltraBoost has never been a featherweight, but due to the bounce in the Boost midsole it has always felt lighter than its weight, and from our first run in the UltraBoost 19 that remains the case, most likely aided by that torsion bar. We’ll have a full review of the shoe coming soon, but our first impressions are that the ride is firmer than with past UltraBoost shoes, and the fit of the upper feels both more secure and more comfortable.

The UltraBoost 19 launched in a limited-edition Laser Red colourway, priced at £159.95. This is already out of stock on the Adidas website, but more limited-edition colours are on the way ahead of the full launch of the UltraBoost 19 on 21st February 2019.

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