Graphene for the energy. Plastic printed CPUs for the brains.
Voila, computer clothing.
https://liliputing.com/2021/07/arms-plasticarm-is-a-flexible-microprocessor-made-from-plastic-rather-than-silicon.html
ARM says plastic could be much cheaper to produce, while their flexible nature would allow them to be used in different sorts of applications. They can be used with paper, plastic, or metal foil substrates. So not only are we looking at a chip technology that could be used for wearable devices like smartwatches and foldable phones, but also for food packaging, bandages or other wearable medical devices, and all sorts of other applications.