# Casper One vs Sleep EZ Select Sleep Organic (Medium): Firmness, Price, and Construction Compared

Canonical: https://squishmat.com/compare/casper-one-vs-sleep-ez-select-sleep-organic-medium · Data refreshed 2026-10-02 · Source: SquishMat

Same feel and similar price — the Sleep EZ Select Sleep Organic (Medium)'s denser foams give it the durability edge.

## Full spec table

| Spec | Casper One | Sleep EZ Select Sleep Organic (Medium) |
| --- | --- | --- |
| Type | Foam | Foam |
| Firmness | 6/10 | 6/10 |
| Height | 10" | 10" |
| Queen price | $1,149 | $1,199 |
| Price range (all sizes) | $874–$1,649 | $1,199 |
| Foam densities (lb/ft³, top → bottom) | 2.3 / 3.0 / 1.8 | 4.5 / 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 | 7/10 | 8/10 |
| Support | 6/10 | 8/10 |
| Natural materials | 2/10 | 9/10 |
| Notable features | Budget-friendly all-foam build, Simple three-layer design, Dense memory foam mid layer, Medium-firm feel | Three rearrangeable 3" GOLS organic latex layers, Each layer picked in soft, medium, firm or extra firm, Dunlop or Talalay per layer, Layers restackable at home as needs change |
| Spec source | NapLab | NapLab |

## Key differences

- The Sleep EZ Select Sleep Organic (Medium) uses denser foam (lowest layer 4.5 vs 1.8 lb/ft³) — density is the best single predictor of how long foam lasts before it sags.
- The Sleep EZ Select Sleep Organic (Medium) scores notably better for sleeping cool (7/10 vs 5/10).

## Who each mattress is for

**Casper One:** The Casper One has a medium feel that works for many side and back sleepers, and for combination sleepers who switch positions.

**Sleep EZ Select Sleep Organic (Medium):** The Sleep EZ Select Sleep Organic (Medium) has a medium feel that works for many side and back sleepers, and for combination sleepers who switch positions. Strengths: Excellent pressure relief at the shoulders and hips; Strong, even support that keeps the spine aligned; Built largely from natural materials like latex, wool, or cotton.

## FAQ

### Which is firmer, the Casper One or the Sleep EZ Select Sleep Organic (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 Casper One or the Sleep EZ Select Sleep Organic (Medium)?

The Casper One is cheaper in a queen: $1,149 versus $1,199, as of 2026-10-02.

### What is the main construction difference between the Casper One and the Sleep EZ Select Sleep Organic (Medium)?

Both are foam builds, but the Sleep EZ Select Sleep Organic (Medium) uses meaningfully denser foam, which generally predicts better durability. Full per-layer densities are in the table above.

## More

- [Casper One — full specs](https://squishmat.com/mattresses/casper-one)
- [Sleep EZ Select Sleep Organic (Medium) — full specs](https://squishmat.com/mattresses/sleep-ez-select-sleep-organic-medium)
- [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).