If you like the feeling of sinking into your bed as opposed to resting on top of it, then a memory-foam mattress made entirely or mostly of polyurethane foam (aka polyfoam) may suit you best.
To curate this guide to the best cooling mattress ... like perforations in a topper’s foam or mesh panels in its cover. I generally sought out latex foam over memory foam as it typically stays ...
MEMORY FOAM COMBINING SOFTNESS AND SUPPORT! Is your firm gel memory foam mattress topper too hard, and your down alternative topper too soft, causing you to toss and turn with body aches?