Inventory is one of retailers biggest cash sinks, but now a new technology combo means retailers can buy one size from the manufacturer and custom fit it to every body shape in house.


You’re shopping for a sweater, and you spot one you love, but there’s a problem – you’re right between a medium and a large, and neither size is quite right. But don’t loose hope, in a few months you’ll be able to buy a sweater from the fashion company Ministry of Supply that will adjust to your size on the spot, using just heat, meaning an end to ill fitting and baggy clothes. Furthermore the new shape shifting technology also means you could one day grab a medium off the shelf in your favourite clothes shop, have an assistant or camera system take your measurements, and an in-store robotic machine will use a heat gun to adjust the sweater to your size right before your eyes. Say goodbye to ill fitting clothes forever!


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The technology which was developed by the Self-Assembly Lab at MIT, who’ve also created 3D Printed materials that inflate, and change colour under certain lighting conditions – something that could one day help this material change colour too on demand, and not just shape, as well as 4D Printed materials for NASA, and turned 3D printing on its head by combining light with photosensitive materials to 3D print furniture in seconds, not hours, provides an innovative and clever solution to the problems of mass customization.

For years, fashion companies have explored how to mass produce custom garments, but problems with efficiency and affordability have held up mass adoption, and now there’s finally hope that they could one day create one garment in one size and have the materials and the robots do the work at the point of delivery or purchase. And this is precisely the problem the new technology solves.


See the technology in action

The “smart sweater” doesn’t need a battery, nor is it robotically knitted using metal thread or shape memory alloy, which would traditionally be used to make a material change its form. Instead, the fabric shrinks when exposed to heat, thanks to both the structure of the knit and the combination of materials used. While the researchers wouldn’t get more specific about those materials, they say that the shape-shifting technology depends on the way that two different off-the-shelf materials interact together when they’re exposed to heat.

“People want to make smart garments and shoes, but they’re always putting batteries in your shoes,” says Skylar Tibbits, the founder and co-director of the Self-Assembly Lab. “We want them to be active and smart, but passive in the sense that it’s all based on materials.”


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Tibbits and his team developed the fabric through hundreds of experiments, combining different types of materials together and then trying out different knitting patterns to see how they would react to each other when exposed to heat. The research, which is part of a grant from the MIT based non-profit organization Advanced Functional Fabrics of America, was originally aimed at creating reversible transformations when it comes to shape and porosity, to make garments more breathable or waterproof based on temperature and moisture. But the team unexpectedly stumbled upon a way to create a permanent transformation, which is what enables this kind of custom tailoring.

Tibbits says that original research into reversible transformation – for instance, a jacket that could become waterproof when it comes into contact with moisture, and then become more breathable again when it’s dry – will continue. For now, his team is working with Ministry of Supply to turn their discovery about permanently changing a garment’s shape using heat into a full-fledged commercial product, starting with the company’s forthcoming in-store sweater customization experience.

Boston-based Ministry of Supply, which was founded on the idea of “bringing performance fabrics usually used in sports to professional attire,” has experimented with robotic knitting and customization before. A few years ago, the company released a robotically knit blazer that customers could personalize by changing details like the cuff color and the yarn type. More recently, the startup offered a customization experience in its Santa Monica store, where it took a thermal map of a customer’s body and then added ventilation to specific areas that tend to overheat, like the underarms. Each experiment has allowed the company to test out new technology for customizing a different aspect of design–from aesthetics, to functionality, to fit–and Gihan Amarasiriwardena, cofounder and president of Ministry of Supply, eventually hopes to scale these experiments up so the custom garments are available to more people.


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“The vision is one-hour photo,” Amarasiriwardena says. “That’s something we’d love to bring to clothing.”

Within the next three or four months, Amarasiriwardena hopes to station a six-axis robot inside one of Ministry of Supply’s stores, where customers can watch it use heat to alter the sweaters. Tibbits thinks there will be something psychologically rewarding about the experience of watching a garment transform before your eyes. Other “smart” textiles might claim to change based on your body’s temperature, but they don’t visually show the change taking place. Watching a robot with a heat gun moving around your sweater, transforming it in moments, is a very different experience.

“You want to see that it’s actually active, that it’s alive and transforming with you and around you,” Tibbits says. “Most products in our world don’t adapt unless they’re robotic. This is more lifelike, where it has a natural transformation you expect in natural things.”

The MIT team will continue to work on more applications of these active textiles over the next year, as part of the Self-Assembly Lab’s larger goal of creating a range of programmable and 4D printed materials. The collaboration is a major step forward for the lab, which has worked on commercial products before, but has never launched a textile that you’ll actually be able to buy.

About author

Matthew Griffin

Matthew Griffin, described as “The Adviser behind the Advisers” and a “Young Kurzweil,” is the founder and CEO of the World Futures Forum and the 311 Institute, a global Futures and Deep Futures consultancy working between the dates of 2020 to 2070, and is an award winning futurist, and author of “Codex of the Future” series. Regularly featured in the global media, including AP, BBC, Bloomberg, CNBC, Discovery, RT, Viacom, and WIRED, Matthew’s ability to identify, track, and explain the impacts of hundreds of revolutionary emerging technologies on global culture, industry and society, is unparalleled. Recognised for the past six years as one of the world’s foremost futurists, innovation and strategy experts Matthew is an international speaker who helps governments, investors, multi-nationals and regulators around the world envision, build and lead an inclusive, sustainable future. A rare talent Matthew’s recent work includes mentoring Lunar XPrize teams, re-envisioning global education and training with the G20, and helping the world’s largest organisations envision and ideate the future of their products and services, industries, and countries. Matthew's clients include three Prime Ministers and several governments, including the G7, Accenture, Aon, Bain & Co, BCG, Credit Suisse, Dell EMC, Dentons, Deloitte, E&Y, GEMS, Huawei, JPMorgan Chase, KPMG, Lego, McKinsey, PWC, Qualcomm, SAP, Samsung, Sopra Steria, T-Mobile, and many more.

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