Yes, latex is described as holding less heat than memory foam because its open-cell structure allows airflow. Dunlop and Talalay latex both have open-cell structures, and many warm sleepers prefer Talalay’s slightly more open feel. But sink, bedding, and mattress construction can also affect warmth, so check those details too.
Dunlop and Pure Talalay latex have open-cell structures that allow airflow and prevent heat retention. Pure Talalay has a slightly more open feel and airy structure that many warm sleepers prefer.
Sleep Sage’s comparison says memory foam wins for pressure relief, motion isolation, and price. For its topper options, Avocado recommends Medium GOLS-certified organic Dunlop latex for firmer, more grounded support and Plush Pure Talalay latex for softer cushioning and pressure relief.
Tom’s Guide says some mattress models use cooling methods such as breathable covers or perforated foam. One breathable cover with phase-change material is described as wicking away heat and sweat.
Both Dunlop and Pure Talalay latex have open-cell structures that allow airflow. Talalay’s more uniform cell structure is often described as slightly more breathable.
Talalay’s more uniform cell structure is often described as slightly more breathable.
Dunlop latex has an open-cell structure that allows airflow.
How deeply you sink and airflow through the support core both matter to whether a bed feels warm. Avocado says its topper is softer, springier, and more contouring, with a quicker rebound that cushions the shoulders and hips.
Sleep Sage reports category cooling scores, but its database has no published surface-temperature measurement. Compare bed features and layer construction, not just a cooling score or a latex hybrid label.
If a mattress is too soft and you sink in too deeply, airflow around the body may be reduced, which can result in warmer sleep. Synthetic polyester bedding can trap heat, while cotton sheets and duvets can create a more breathable sleep environment.
Bedding can affect heat transfer by adding insulation or trapping still air between fabric and skin. One Ideal Home tester found that the tested protector made for cooler, more breathable sleep on the memory-foam mattress that had caused overheating.
| Bedding detail | What the source found |
|---|---|
| Heavy bedding insulation value | The source’s “Heavy” setup, a cotton sheet plus a twin-size polyester blanket, had an insulation value of 1.94 Clo. |
In Sleep Sage’s comparison, natural latex costs $1,200-$3,000+, while quality memory foam costs $500-$1,200.
New mattresses may adapt to the sleeper over time, though the timing and changes described vary by brand.
A latex topper’s open structure allows air to move through it, and Avocado says it does not hold heat the way memory foam does. Check for heavy synthetic bedding or a plastic-backed protector, which can trap heat over a breathable topper.
Yes, natural cotton sheets and duvets can help create a comfortable sleep microclimate, according to Latex Sense.
Yes, bedding can affect heat transfer through insulation and trapped still air. If waterproofing is not needed, Ideal Home says it can be best to choose a more breathable protector instead of a waterproof one.
We read 13 published pages from 8 sites (help.avocadogreenmattress.com, sleepsage.com, latexsense.co.uk, tomsguide.com and 4 more), checked in October 2026. Every sentence in the answers above cites one of them; the offer card at the end names its own source. This page reports published sources only; we did not test mattresses in person.