Selective Emission Fabric for Indoor and Outdoor Passive Radiative Cooling in Personal Thermal Management

• The full-scale structure fabric achieves 94% sunlight reflectance and only 6% mid-infrared reflectance, minimizing heat absorption and radiation obstruction. • It exhibits 81% radiative emission in the atmospheric window (8–13 µm) and 25% transmission in the mid-infrared (2.5–25 µm), enabling efficient thermal radiation release. • The fabric provides net cooling powers of 60 W m−2 outdoors and 26 W m−2 indoors, demonstrating effective dual-environment cooling. • In practical tests, the fabric lowers human body temperature by 1.4–5.5 °C compared to typical polydimethylsiloxane film, highlighting its potential for sustainable personal thermal management.