So it cools the area, like it's not just cold lying on it? Or r u saying it's more efficient because it's cool ahen u lay on it like it cools your back off?
I'm definitely gonna look into this. You rock so hard.
I was thinking metal frame with a cargo net and some springs to make a trampoline bed. Using this cargo net it makes sense, since the tarp part is what you'd sleep on:
Gladiator Cargo Nets - Heavy Duty Truck Cargo Net - Small (SGN-100) 4.75' x 6' ft. https://www.amazon.com/dp/B003ZWKCVW/ref=cm_sw_r_apan_i_WG39ZYZPZFTJPAD2H1YC