Polysleep Sierra vs Pure Green Organic Latex (Medium)
Same feel and similar price — the Pure Green Organic Latex (Medium)'s denser foams give it the durability edge. Every number below comes from published teardowns and spec sheets (see our methodology); prices are queen-size, refreshed 2026-10-02.
Polysleep Sierra vs Pure Green Organic Latex (Medium): full spec table
| Spec | Polysleep Sierra | Pure Green Organic Latex (Medium) |
|---|---|---|
| Type | Foam | Foam |
| Firmness | 6/10 | 6/10 |
| Height | 9" | 9" |
| Queen price | $795 | $799 |
| Price range (all sizes) | $695–$895 | $799 |
| Foam densities (lb/ft³, top → bottom) | 3.0 / 1.4 | 4.5 / 4.5 |
| Coil gauge | — | — |
| Coil count (queen) | — | — |
| Cooling | 5/10 | 7/10 |
| Motion isolation | 7/10 | 6/10 |
| Edge support | 5/10 | 6/10 |
| Pressure relief | 8/10 | 7/10 |
| Support | 6/10 | 8/10 |
| Natural materials | 2/10 | 9/10 |
| Notable features | Entry-level all-foam bed, 3 PCF comfort foam, Simple two-layer build, Lowest Polysleep price | 8" of solid natural Dunlop latex, Organic cotton knit cover over wool batting, No polyurethane foam anywhere in the build, GOLS, Oeko-Tex and Greenguard Gold certified |
| Spec source | NapLab | Manufacturer |
Key differences
- The Pure Green Organic Latex (Medium) uses denser foam (lowest layer 4.5 vs 1.4 lb/ft³) — density is the best single predictor of how long foam lasts before it sags.
- The Pure Green Organic Latex (Medium) scores notably better for sleeping cool (7/10 vs 5/10).
Who the Polysleep Sierra is for
The Polysleep Sierra 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
Who the Pure Green Organic Latex (Medium) is for
The Pure Green Organic Latex (Medium) has a medium feel that works for many side and back sleepers, and for combination sleepers who switch positions.
- Strong, even support that keeps the spine aligned
- Built largely from natural materials like latex, wool, or cotton
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Frequently asked questions
Which is firmer, the Polysleep Sierra or the Pure Green Organic Latex (Medium)?
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 Polysleep Sierra or the Pure Green Organic Latex (Medium)?
The Polysleep Sierra is cheaper in a queen: $795 versus $799, as of 2026-10-02.
What is the main construction difference between the Polysleep Sierra and the Pure Green Organic Latex (Medium)?
Both are foam builds, but the Pure Green Organic Latex (Medium) uses meaningfully denser foam, which generally predicts better durability. Full per-layer densities are 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 Polysleep Sierra and the Pure Green Organic Latex (Medium).