by Quick answer: Copper-infused foam and gel foam both sleep cooler than plain memory foam, but they land in a similar range as each other; neither is dramatically cooler. Copper's more unique advantage is antimicrobial properties, not superior cooling. Overall mattress design and airflow matter more than the infusion name.
By the MattressNut editorial team · Updated June 2026
Copper vs Gel Foam Cooling Explained
Both infusions exist to fight the heat-trapping reputation of standard memory foam, and both genuinely help, but the honest takeaway is that they perform comparably. Copper-infused foam uses copper's high thermal conductivity to draw body heat away quickly, and it also wicks moisture. Gel foam uses gel particles to absorb and dissipate heat so the surface feels cool longer, with the effect lasting longer when there is more gel placed closer to the surface.
Key Facts
| Factor | Copper-Infused Foam | Gel Foam |
|---|---|---|
| Cooling vs plain foam | Modest improvement | Modest improvement |
| Cooling vs each other | Roughly comparable | Roughly comparable |
| Unique benefit | Antimicrobial; resists odor/bacteria | Cooling duration scales with gel amount/placement |
| Airflow limitation | Still foam-based, restricts airflow | Still foam-based, restricts airflow |
The key point both materials share: they are still foam, which restricts airflow more than a coil system. So even an "improved" foam has a ceiling on how cool it can sleep compared with a coil-based hybrid.
Tips & What to Avoid
Do not pay a big premium for copper on cooling claims alone, since its cooling edge over gel is modest; its stronger case is antimicrobial and odor resistance. Remember that not every gel foam feels cold and not every plain foam feels hot, because the full product design (foam density, layer placement, cover, and base) decides the result. If maximum cooling is your priority, look past the foam label entirely toward a hybrid with real airflow; many beds combine both copper and gel over coils for exactly this reason.
The Saatva Angle
If cooling is your real concern, the most honest advice is to prioritize airflow over the foam infusion. The Saatva Classic is an innerspring hybrid with two coil layers and a breathable organic-cotton cover, and that coil-driven airflow is generally what helps a mattress sleep cooler than any foam infusion alone. It will not give you a deep foam hug, but for hot sleepers the structural airflow is the point.
Bottom Line
Copper and gel foam are close on cooling and both beat plain memory foam. Choose copper if you value antimicrobial benefits, gel if you want surface coolness on a budget, but for the coolest sleep overall, look to a coil-based hybrid with real airflow.
Bottom line: Copper and gel cool about equally; airflow matters more than the infusion.
Related: our full Saatva mattress review.