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Latex Mattress Factory Luxerion (Firm) vs Plank Firm (Firm)

The Plank Firm (Firm) is $167 cheaper in a queen; the table below shows what the price gap buys. Every number below comes from published teardowns and spec sheets (see our methodology); prices are queen-size, refreshed 2026-10-06.

Latex Mattress Factory Luxerion (Firm) vs Plank Firm (Firm): full spec table

SpecLatex Mattress Factory Luxerion (Firm)Plank Firm (Firm)
TypeFoamFoam
Firmness8/108/10
Height10"10.5"
Queen price$1,499$1,332
Price range (all sizes)$1,149–$1,799$749–$1,532
Foam densities (lb/ft³, top → bottom)4.5 / 4.5 / 4.51.5 / 2.5 / 1.8 / 1.5
Coil gauge——
Coil count (queen)——
Cooling7/105/10
Motion isolation6/107/10
Edge support6/105/10
Pressure relief8/108/10
Support8/106/10
Natural materials9/102/10
Notable featuresThree 3" GOLS organic Dunlop latex layers (Arpico/Lalan), Published ILD per layer position, Organic cotton cover quilted to 1" Joma wool, Zippered cover for layer accessFlippable firm and extra-firm sides, Flat, ultra-firm support surface, Spinal-alignment focus for stomach sleepers, Optional cooling cover
Spec sourceManufacturerNapLab

Key differences

  • The Plank Firm (Firm) is $167 cheaper in a queen ($1,332 vs $1,499 as of 2026-10-06) than the Latex Mattress Factory Luxerion (Firm).
  • The Latex Mattress Factory Luxerion (Firm) uses denser foam (lowest layer 4.5 vs 1.5 lb/ft³) — density is the best single predictor of how long foam lasts before it sags.
  • The Latex Mattress Factory Luxerion (Firm) scores notably better for sleeping cool (7/10 vs 5/10).

Who the Latex Mattress Factory Luxerion (Firm) is for

The Latex Mattress Factory Luxerion (Firm) has a firm feel suited to stomach sleepers and heavier sleepers who need to keep their hips lifted.

  • 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

Check current Latex Mattress Factory Luxerion (Firm) price →

Who the Plank Firm (Firm) is for

The Plank Firm (Firm) has a firm feel suited to stomach sleepers and heavier sleepers who need to keep their hips lifted.

  • Excellent pressure relief at the shoulders and hips

Check current Plank Firm (Firm) price →

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Frequently asked questions

Which is firmer, the Latex Mattress Factory Luxerion (Firm) or the Plank Firm (Firm)?

They rate the same: both are a 8/10 on the firmness scale, a firm feel suited to stomach sleepers and heavier sleepers who need to keep their hips lifted.

Which is cheaper, the Latex Mattress Factory Luxerion (Firm) or the Plank Firm (Firm)?

The Plank Firm (Firm) is cheaper in a queen: $1,332 versus $1,499, as of 2026-10-06.

What is the main construction difference between the Latex Mattress Factory Luxerion (Firm) and the Plank Firm (Firm)?

Both are foam builds, but the Latex Mattress Factory Luxerion (Firm) uses meaningfully denser foam, which generally predicts better durability. Full per-layer densities are in the table above.