A shirt can be a connected device when its fabric and electronic components work together to sense, transmit, or respond to information. Conductive textile traces and electrodes can be built into the garment, while sensors or other functional parts may be attached or connected to it. That makes connected clothing one part of the broader field of smart textiles—not simply an ordinary shirt with a gadget tucked in a pocket.
What makes a shirt a connected device?
“Smart textile” is a broad category for textiles with functional or responsive properties. A connected garment is more specific: it is a wearable system combining textile materials with components that sense, communicate, or otherwise interact. ISO’s ISO/TR 23383:2020 sets out smart-textile definitions and categories, while IPC describes an e-textile wearable as a complete system that can include textile materials and attached or connected functional components.
The distinction matters because not every smart textile is a connected device. For example, ISO 17971:2025 covers a test method for fabric screen-touch properties in products intended to work with touchscreens. That is one specific textile function, not a general test for connected shirts.
What can be built into the fabric?
Conductive fabric can act as an electrical pathway or electrode in clothing-type wearable devices. The electronics architecture may also use embroidered conductive yarns, fibers, threads, or wires, alongside sensors and other components attached to or integrated with the textile. The exact arrangement depends on what the garment is meant to do.
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IEC 63203-201-2:2022 describes methods for measuring basic properties of conductive fabrics and insulation materials used in e-textiles. It does not set the performance thresholds those materials must meet. A measurement method can help characterize a material, but it does not by itself show that a particular shirt performs well in use.
Can a connected shirt survive washing?
Washability is a separate engineering question from whether a garment can sense or communicate. IEC 63203-204-1:2023 specifies a household washing durability test method for relevant e-textile products with conductive components and sensors. It is a way to assess washing durability, not proof that any given shirt has passed the test or will last for a particular number of washes.
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The standard also does not cover safety or heat-generation testing. A wash-durability result therefore should not be treated as a blanket assurance about a garment’s safety, service life, or performance in every use condition.
How are reliability and quality being addressed?
IPC announced IPC-8981: Quality and Reliability of E-Textiles Wearables on April 28, 2025. IPC says the standard establishes baselines for testing and classifying e-textile wearables. Its task group was led by Vladan Koncar of ENSAIT GEMTEX Lab at the University of Lille and Sigrid Rotzler of Fraunhofer-Institut für Zuverlässigkeit und Mikrointegration.
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That is evidence of standards work focused on reliability; it is not evidence that all connected garments meet a shared performance level. As Rotzler put it in IPC’s announcement, “As the first standard of this kind, IPC-8981 provides a solid basis for e-textile developers to make their products more reliable, set quality targets, and choose relevant testing methods.”
What should you check when evaluating a connected-shirt claim?
A useful product description should make clear what the garment does and how its textile and electronic parts are arranged. When comparing claims, look for evidence specific to the shirt rather than relying on the existence of a standard or test method.
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- Function: What does the shirt measure or activate, and is the sensing element integrated into the textile or supplied as a separate attached module?
- Construction: Does it use conductive fabric traces, embroidered conductive yarn or thread, or another stated arrangement? Where are functional components placed and how are they attached?
- Washing evidence: Does the maker state that this particular garment was tested, and describe the washing method? A reference to IEC 63203-204-1:2023 alone does not establish that a product passed.
- Material evidence: Which conductive or insulation properties were measured, and what thresholds are claimed? IEC 63203-201-2:2022 supplies measurement methods, not required values.
- Reliability and safety scope: Which tests were performed, and what do they exclude? Washing durability or reliability language alone does not establish safety.
Do connected shirts already have a proven consumer track record?
The standards sources describe definitions, test methods, and reliability work. They do not establish broad consumer availability of connected shirts, nor do they provide evidence that a particular design is durable, safe, or superior. A connected shirt is a plausible kind of wearable system, but claims about a specific product need product-specific specifications and test results.
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