Way back in 2004, Marc Newson and Nike collaborated on the Zvezdochka, a revolutionary sneaker made from four interchangeable parts:

The outer cage, the outsole, the innersleeve and the insole were all user-swappable.

The swappability was done mostly for style, but now Nike's ISPA (Improvise; Scavenge; Protect; Adapt) design team is revisiting the concept in the name of sustainability.

The team thus designed two new models, the ISPA Link and the ISPA Link Axis, which are both a step more radical—and radical-looking—than the Zvezdochka:

The ISPA Link "features three interlocking modules, connected without glue, that can be taken apart and dropped off at Nike stores offering the Recycling & Donation service."

"The midsole is made up of pegs that fit into openings engineered into the upper. This makes for an exceptional fit that is comfortable, is stable and breathes well, according to the 40 athletes who logged some 200 hours in the prototype."

As you'd expect, a shoe made without glue also offers benefits during the manufacturing stage. "A pair of Links take about eight minutes to assemble—a fraction of the average time needed for a traditional sneaker—thanks to a custom-made manufacturing jig and the fact that the shoe doesn't require the time-intensive gluing process to construct its midsole. Finally, the assembly of the shoe is done without the need for conventional energy-intensive processes like cooling, heating and conveyer belt systems."

As crazy-looking as the Link is, the Link Axis goes even further:

"The Link Axis has a 100 percent recycled polyester Flyknit upper that's precisely engineered to fit over the outsole (compared to the traditional cut-and-sew method used for the Link), and its 100 percent recycled TPU tooling was achieved by using scrap airbag material."

The sneaker's cage is made from 20% recycled TPU. Why just 20%? "Because recycling changes some material properties, the cage is an exercise in balancing the desire to use recycled content with the need for durability and traction."

"Designed in partnership with engineering, digital product creation and development, these shoes are completely informed by method of make — it really is a case of form following function," says Darryl Matthews, VP, Catalyst Footwear Product Design. "Our hope is that these ideas and aesthetics become normalized, accelerating our ability to imagine how shoes will continue to evolve in the future."

The ISPA Link will debut this June, while the ISPA Link Axis are slated for release in 2023.

As we mentioned here, recycling is essentially failing in the U.S. To reverse the trend, more manufacturers need to step up like this and not only design their products for disassembly, but also to take responsibility for recycling them, as Nike's doing here.

Neat design. 100% greenwashing. These shoes are designed for hypebeasts and sneaker collectors. Nobody is going to recycle them, some may not even be worn and just saved in a box to resell in a few years as deadstock. It's a great innovation in design, assembly and commercialization (based on the Presto Clip from 2005?) but they likely aren't event making enough pairs to make a difference in their total company enviro stats.

Nike's business model is to sell lots of shoes and this requires that they don't last very long. I had dozens of pairs of Nike trainers as a teenager, and they seldom lasted more than a few months. Nike are not the only offenders here. Scarpa make boots that use a type of Vibram sole that lets water in if the grip lugs are only partially worn - a whole boot junked prematurely. Well, both boots.  As the poster above noted re Vivo Barefoot, there are brands that make more durable footwear. I wear ECCO trainers now, since having a pair that lasted over a year and a half of constant use.  If an alien came to Earth and only read Core77, it would be forgiven for believing that Nike, Addidas et al, were the most responsible shoe manufacturers rather than among the worst.  But hey, if those Nikes are wearing out because the user is walking instead of driving places, that's likely a good thing.  

check out vivobarefoot  then buy lots of their shoes ;) I love them, they are the only shoes I wear now

"simply drop them off at a Nike store to recycle".... fun fact, there are no Nike stores in Vermont. 

There's no mention of what Nike is doing with the collected used shoes. Assuming your previous article was correct, 95% of this "recyclable" plastic will still go to landfill.  More info would be nice since these two article seem to be contrasting.  

Is there any more info on how Nike is "taking responsibility for recycling them"? Is there a plan for getting the shoes back from the customer or are they just depending on the customer doing the right thing when they're done with them? 

I’m a lapsed industrial designer. I was born in NYC and figured I’d die there, but a few years ago I abandoned New York to live on a farm in the countryside with my wife. We have six dogs.

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