Cascade | Firm Size:Full it features a coil-on-coil design

it features a coil-on-coil design with over 3

it's stronger and longer-lasting than traditional wood box springs

soft comfort foam

adaptive feel

Cascade | Firm Size:Full it features a coil-on-coil designSleep like a king without breaking the bank with the Cascade Firm Mattress. This entry level mattress is perfect for lightweight sleepers who want a firmer sleeping surface. Its construction, from the 1 Comfort Foam Sewn in the Quilt to the 1 Layer of Comfort Foam and 504 15 Gauge SPECTRUM Coil standard innerspring unit, ensures both support and durability. With a firmness rating of 8 out of 10, the Cascade Firm Mattress provides excellent spinal