University of Texas researchers develop wearable textile for atmospheric water harvesting

Researchers at the University of Texas at Austin have developed a wearable textile capable of harvesting drinking water from ambient air, addressing the limitations of existing atmospheric water collection methods that are typically large or cumbersome. The study, published in the journal Scientific Advances, outlines a jacket design that utilises a special fabric to collect moisture and channel it to detachable harvesting units.

The prototype separates moisture collection from absorption, allowing the material to function within a wearable system rather than remaining confined to laboratory tests. According to co-author Keith Johnston, this transport design is critical for enabling the material to work in practical, wearable applications. The harvesters are integrated into a foldable collector piece and heated to produce drinkable water.

In testing, the jacket yielded between 400 and 900 millilitres of water per day, depending on humidity levels. Guihua Yu, another author on the study, noted that the team aimed to rethink the form of the technology to open new directions for personal and portable water access.

While the initial prototype was designed as a jacket, the researchers suggest the textile could be applied to other items such as backpacks or tents. The technology is intended for use by medical response teams, in emergency situations, and for outdoor sports, potentially providing water-collecting capabilities to gear used in remote areas.

The development marks a shift towards personalising water harvesting infrastructure. However, the study does not disclose a timeline for commercial availability or mass production. Additionally, while the heating mechanism produces drinkable water, specific filtration or sterilisation standards beyond heating were not detailed in the source material.

The research highlights potential applications in extreme sports and emergency response, where reliable water sources are scarce. The ability to integrate water harvesting into everyday gear could offer significant utility for hikers and medical teams operating in challenging environments.

Further testing will be required to determine real-world performance variability based on environmental factors. The current yield figures are based on controlled testing conditions, and it remains unclear if the heating mechanism is powered by an external source or integrated into the garment's design.