The only problem with Boost foam is that it’s heavy and dense so it limits the Ultraboost 22’s versatility. Transitions were smooth but slow and it was difficult to pick up the pace to run below 5.30 per kilometre but I enjoyed the first run of the Ultraboost 22 much more than the first run of the Adidas Adistar which I tested last month. It still wasn’t secure by any stretch of the imagination but it wasn’t as bad as the last version. The other difference that I noted was that the heel lockdown felt slightly better. It’s not the softest of all the Ultraboosts but it’s definitely not as firm as the Ultraboost 21. The biggest and most notable difference was that the Ultraboost 22 felt softer and more cushioned. There were some differences to the Ultraboost 21 which I picked up immediately. My first run was a 12 km easy run which was surprisingly enjoyable. The midsole and outsole looked exactly the same while there were subtle changes to the toe box and the eye stays upon closer inspection. The first time I saw pictures of the Ultraboost 22, I struggled to find any differences to the last version apart from the new colourways. The Ultraboost 22 also costs $10 more than the Ultraboost 21. It’s still considerably heavier than other max cushioned trainers like the Triumph 19 (290 g), the Invincible Run (285 g) and the Nimbus 24 (290 g). The men’s Ultraboost 22 now weighs 333 g (11.8 oz) for a US 9, which is 7 g (0.3 oz) lighter than the Ultraboost 21. The women’s version has extra outsole lugs on the medial side of the midfoot which makes it more supportive. Last year’s Ultraboost 21 was a massive update so this year, the men’s version is only an upper update but there are some small tweaks that change the ride character of the Ultraboost 22. As a performance running shoe, the Ultraboost 21 felt like a step backwards for the Ultraboost franchise. When I tested the Ultraboost 21 last year, I gave it one of the lowest scores of the entire year because of how firm it felt and how much heel slippage I experienced during runs. The Ultraboost may be regarded by many as a “lifestyle” running shoe but there’s no denying that its build quality is second to none and there are few other midsole foams that retain their cushioning as well as Boost. I always knew that the Ultraboost is a durable running shoe but 3 300 kilometres is unimaginable and about 3 times more than I’ve ever put on a single pair of running shoes. His toe box has a hole in the top and the outsole rubber has worn down in a few places but the midsole is still intact and he uses them regularly without getting any injuries. When a fast runner in my running club showed me his Ultraboost 4 which has over 3 300 kilometres on them, I gained a new respect for the Ultraboost.
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