Thank you. I wonder what it is, aluminum? I wonder how the emissive part work at night? A few degrees at night might help with atmospheric water harvesting hat

Thank you. I wonder what it is, aluminum? I wonder how the emissive part work at night? A few degrees at night might help with atmospheric water harvesting hat i might find useful. I am a little skeptical of the sky blue being cooler. It just seems it would not be as reflective bu I will be looking into it.