This is the definition of plush - the Kastel mattress collection offers a soft stretch knot cover with a combination of advantage, high performance foam, and high density foam.
Quilting: Soft Stretch Knit Cover
Safety: 16 CFR Part 1633 Flammability Standard Approved
Edge Support: Foam Encased
Foam: 1" Advantagel, 0.5" High Performance Foam, 1" Superior High Density Foam