SquishMat

Nolah Evolution 15 (Firm) vs Plank Firm Luxe (Firm)

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.

Nolah Evolution 15 (Firm) vs Plank Firm Luxe (Firm): full spec table

SpecNolah Evolution 15 (Firm)Plank Firm Luxe (Firm)
TypeHybridHybrid
Firmness8/108/10
Height15"12.25"
Queen price$1,594$1,598
Price range (all sizes)$1,127–$1,781$1,065–$1,865
Foam densities (lb/ft³, top → bottom)1.6 / 1.8 / 1.5 / 1.5 / 1.5 / 1.51.5 / 2.5 / 1.8 / 1.8 / 1.5
Coil gauge13.5—
Coil count (queen)——
Cooling6/106/10
Motion isolation6/106/10
Edge support8/107/10
Pressure relief9/108/10
Support8/108/10
Natural materials4/102/10
Notable features15-inch luxury hybrid build, Nolah AirFoam pressure relief, Zoned HDMax support coils, Reinforced edge supportFlippable firm and extra-firm sides, Coil core for durability, Quilted firm sleeping surface, Favorite for stomach sleepers
Spec sourceNapLabNapLab

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 Nolah Evolution 15 (Firm) is for

The Nolah Evolution 15 (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
  • Sturdy edges that make the full surface usable

Check current Nolah Evolution 15 (Firm) price →

Who the Plank Firm Luxe (Firm) is for

The Plank Firm Luxe (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

Check current Plank Firm Luxe (Firm) price →

SquishMat may earn a commission if you buy through links on this page, at no extra cost to you. Commissions never influence which mattresses we recommend. How we make money

Frequently asked questions

Which is firmer, the Nolah Evolution 15 (Firm) or the Plank Firm Luxe (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 Nolah Evolution 15 (Firm) or the Plank Firm Luxe (Firm)?

The Nolah Evolution 15 (Firm) is cheaper in a queen: $1,594 versus $1,598, as of 2026-10-02.

What is the main construction difference between the Nolah Evolution 15 (Firm) and the Plank Firm Luxe (Firm)?

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.