It's probably for the best that the Adidas 4DFW doesn't look as sneaker-like as the Adidas 4DFWD, running shoes often criticised by runners for looking too 'casual'. (Image credit: Future) Adidas 4DFWD review: the aesthetics Given that the shoes will be used for training, it's not a massive issue but it's worth keeping in mind.
The Adidas 4DWFD is a bit on the heavy side: the tested size 10 (UK) model is a hefty 370 grams. And I mean they are wide enough that I don't need to wear fins in the water for propulsion. My only criticism is that the reinforced part of the upper, where the eyelets sit, rubbed against the medial side of my feet at the front, but this could be just because I have a wide feet. I prefer tight-fitting racing shoes but for fast training, a less-compressing upper is better and the Primeknit+ does just that. The Primeknit+ upper is super comfortable and manages to offer just the right amount of tightness for training runs. That said, the 4DFWD is not a racing shoe, more like a running trainer for days when you want to go far and fast.
This sensation reminded me of how I felt when I ran in the ASICS Metaracer and the Salomon S/LAB Phantasm: although those are carbon-enhanced racing shoes, the 4DFWD offers a similar experience in terms of ground contact feel. It really feels like you're in control of your stride when wearing the Adidas 4DFWD: every step is reported back to your muscles and joints and you can react to this feedback accordingly. What surprised me the most – and it really shouldn't have been that surprising – is how well the lattice midsole connected me to the ground as I ran. Running in the Adidas 4DFWD is a real treat. (Image credit: Future) Adidas 4DFWD review: the ergonomics The upper has a sock-like fit which is very comfortable yet supportive. These 25 lattice variations were then thoroughly athlete-tested to find the perfect shape that supports running motion the most.īut the Adidas 4DFWD is not just a midsole, of course: it also features the Primeknit+ upper, seen in the Adidas Ultraboost 21, complimenting the midsole perfectly and making sure your feet is comfortable and able the expand when it gets warm. In an interview I had with Bob prior to the release, he also mentioned that the final bowtie-shaped FWD cell lattice was picked from 5 million different variations, which then was narrowed down to 10,000, which then was further processed down to 25. According to Bob Kirk, Senior Director/Future Footwear Innovation at Adidas, this high midsole drop compliments the lattice structure the most and enables runners to move faster and smoother. And in all fairness, the actual running platform is in an angle: the Adidas 4dFWD has a 11.3 mm (!) midsole drop, 21.2 mm under the forefoot and 32.5 mm under the heel. The new midsole is constructed from bowtie-shaped FWD cells that redirects impact force and creates forward motion.īasically, as the lattice is compressed, as opposed to bouncing back up, it moved forward diagonally, like if you landed on a surface that's in an angle. This lattice construction is made of 39% bio-based material and said to offer 23% more cushioning as well as generating three times as much forward motion when compared to previous generations of 4D midolses. The 4DFWD is the next chapter in Adidas' saga to create a responsive midsole out of thin air, literally: the Digital Light Synthesis manufacturing technology pioneered by Carbon uses digital light projection, oxygen permeable optics, and Carbon’s programmable liquid resins to create a functional midsole. (Image credit: Future) Adidas 4DFWD review: the tech
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