# Eco Terra Hybrid Latex (Medium-Firm) vs Helix Twilight: Firmness, Price, and Construction Compared

Canonical: https://squishmat.com/compare/eco-terra-hybrid-latex-medium-firm-vs-helix-twilight · Data refreshed 2026-09-04 · Source: SquishMat

They're priced closely — the real difference is feel: the Helix Twilight is the firmer of the two.

## Full spec table

| Spec | Eco Terra Hybrid Latex (Medium-Firm) | Helix Twilight |
| --- | --- | --- |
| Type | Hybrid | Hybrid |
| Firmness | 7/10 | 8/10 |
| Height | 11" | 12" |
| Queen price | $1,019 | $1,099 |
| Price range (all sizes) | $709–$1,324 | $1,099 |
| Foam densities (lb/ft³, top → bottom) | 4.9 | 1.8 / 2.4 / 1.8 / 1.5 |
| Coil gauge | 14 | — |
| Coil count (queen) | — | — |
| Cooling | 8/10 | 6/10 |
| Motion isolation | 5/10 | 6/10 |
| Edge support | 8/10 | 8/10 |
| Pressure relief | 5/10 | 8/10 |
| Support | 9/10 | 9/10 |
| Natural materials | 8/10 | 4/10 |
| Notable features | Simple latex-over-coils build, GOTS organic cotton and wool cover, Fabric-encased 14-gauge coils, Great-value natural latex hybrid | Firm side-sleeper hybrid, Memory foam over firm coils, 8" pocketed coil core, Firm feel with contouring |
| Spec source | NapLab | NapLab |

## Key differences

- The Helix Twilight is a step firmer (8/10 vs 7/10), so it suits sleepers who want a bit more pushback.
- The Eco Terra Hybrid Latex (Medium-Firm) uses denser foam (lowest layer 4.9 vs 1.5 lb/ft³) — density is the best single predictor of how long foam lasts before it sags.
- The Eco Terra Hybrid Latex (Medium-Firm) scores notably better for sleeping cool (8/10 vs 6/10).

## Who each mattress is for

**Eco Terra Hybrid Latex (Medium-Firm):** The Eco Terra Hybrid Latex (Medium-Firm) has a medium-firm feel suited to back sleepers and heavier side sleepers who want more support. Strengths: Strong, even support that keeps the spine aligned; Sleeps cool — a good pick if you run warm; Sturdy edges that make the full surface usable; Built largely from natural materials like latex, wool, or cotton.

**Helix Twilight:** The Helix Twilight has a firm feel suited to stomach sleepers and heavier sleepers who need to keep their hips lifted. Strengths: Excellent pressure relief at the shoulders and hips; Strong, even support that keeps the spine aligned; Sturdy edges that make the full surface usable.

## FAQ

### Which is firmer, the Eco Terra Hybrid Latex (Medium-Firm) or the Helix Twilight?

The Helix Twilight is firmer at 8/10 versus 7/10 for the Eco Terra Hybrid Latex (Medium-Firm).

### Which is cheaper, the Eco Terra Hybrid Latex (Medium-Firm) or the Helix Twilight?

The Eco Terra Hybrid Latex (Medium-Firm) is cheaper in a queen: $1,019 versus $1,099, as of 2026-09-04.

### What is the main construction difference between the Eco Terra Hybrid Latex (Medium-Firm) and the Helix Twilight?

Both are hybrid builds, but the Eco Terra Hybrid Latex (Medium-Firm) uses meaningfully denser foam, which generally predicts better durability. Full per-layer densities are in the table above.

## More

- [Eco Terra Hybrid Latex (Medium-Firm) — full specs](https://squishmat.com/mattresses/eco-terra-hybrid-latex-medium-firm)
- [Helix Twilight — full specs](https://squishmat.com/mattresses/helix-twilight)
- [Comparison matrix: every mattress we track](https://squishmat.com/compare)

Free to cite with attribution — link to the canonical page. Where a datapoint traces to a third-party teardown, please credit the original measurer too (sources are cited per bed on https://squishmat.com/mattress-database).