ThermoBalance (Medium) vs Leesa Reserve
These two are close substitutes on paper — the spec table below shows where they differ. Every number below comes from published teardowns and spec sheets (see our methodology); prices are queen-size, refreshed 2026-10-02.
ThermoBalance (Medium) vs Leesa Reserve: full spec table
| Spec | ThermoBalance (Medium) | Leesa Reserve |
|---|---|---|
| Type | Hybrid | Hybrid |
| Firmness | 6/10 | 6/10 |
| Height | 14" | 14" |
| Queen price | $2,532 | $2,589 |
| Price range (all sizes) | $1,832–$3,199 | $1,679–$2,589 |
| Foam densities (lb/ft³, top → bottom) | 1.5 / 2.3 / 3.9 / 1.6 / 1.6 | 4.0 / 5.0 / 2.5 / 1.8 / 1.8 |
| Coil gauge | 13.5 | 13.5 |
| Coil count (queen) | — | — |
| Cooling | 6/10 | 5/10 |
| Motion isolation | 6/10 | 7/10 |
| Edge support | 8/10 | 8/10 |
| Pressure relief | 9/10 | 9/10 |
| Support | 9/10 | 8/10 |
| Natural materials | 4/10 | 4/10 |
| Notable features | Cooling-focused hybrid, High-density 3.9 PCF memory foam, Zoned 13.5-gauge coils, Medium-firm feel | Luxury triple memory foam comfort, 5 PCF premium memory foam, Zoned pocketed coil core, Deep-contour plush feel |
| Spec source | NapLab | NapLab |
Key differences
- On the published specs these two are close substitutes — similar firmness, price, and construction. Decide on current price, trial length, and returns policy.
Who the ThermoBalance (Medium) is for
The ThermoBalance (Medium) has a medium feel that works for many side and back sleepers, and for combination sleepers who switch positions.
- Excellent pressure relief at the shoulders and hips
- Strong, even support that keeps the spine aligned
- Sturdy edges that make the full surface usable
Who the Leesa Reserve is for
The Leesa Reserve has a medium feel that works for many side and back sleepers, and for combination sleepers who switch positions.
- Excellent pressure relief at the shoulders and hips
- Strong, even support that keeps the spine aligned
- Sturdy edges that make the full surface usable
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Frequently asked questions
Which is firmer, the ThermoBalance (Medium) or the Leesa Reserve?
They rate the same: both are a 6/10 on the firmness scale, a medium feel that works for many side and back sleepers, and for combination sleepers who switch positions.
Which is cheaper, the ThermoBalance (Medium) or the Leesa Reserve?
The ThermoBalance (Medium) is cheaper in a queen: $2,532 versus $2,589, as of 2026-10-02.
What is the main construction difference between the ThermoBalance (Medium) and the Leesa Reserve?
Both are hybrid builds with similar published specs — the differences come down to feel and price rather than construction. The full layer-by-layer comparison is in the table above.
See how both stack up against every bed we track in the full comparison matrix, or dig into the complete specs for the ThermoBalance (Medium) and the Leesa Reserve.