PolyU scholars pioneer smart and sustainable personal cooling technologies to address global extreme heat (IMAGE)

The Hong Kong Polytechnic University

PolyU scholars pioneer smart and sustainable personal cooling technologies to address global extreme heat

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Omni Cool Dry™ is a breathable skin like fabric that routes sweat directionally while providing spectrum selective cooling. By reflecting solar and ground radiation and emitting mid infrared body heat, it helps keep wearers cool and dry even under the sun, lowering skin temperature by about 5°C.

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© 2025 Research and Innovation Office, The Hong Kong Polytechnic University. All Rights Reserved.

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