Prelude Firm


The Xtended Life Prelude Extra Firm mattress combines high density foams, cool and pressure relieving graphite latex and over 1000 encased steel coils to deliver years of consistent comfort and support. King Koil's most trusted mattress collection, consistently delivers long-lasting daydream worthy sleep by making every thread, coil and inch of foam count.


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  1. Everlasting Design for a Lifetime for Sleep
  2. 2 Layers of Firm Graphite Talalay Latex
  3. 8" 1075 Contour Pro Encased Coil System

Product Specifications

Mattress Height: 14.5"

Twin: 39" X 75"

Twin XL: 39" X 80"

Full: 54" X 75"

Queen: 60" X 80"

King: 75" X 80"

California King: 72" X 84"

Safeguard Fibers

Silk & Wool

Superior High Density Foam

High Performance Foam

Firm Graphite Talalay Latex

Firm Graphite Talalay Latex

Extra Density Firm

8” 1075 Contour Pro Encased Coil System

Excellent Edge™ Foam Encasement

Everlast® Base Foam

25 Years