Foam™ 400 Luxury Firm

No Longer Manufactured.

Brand New Limited 10 Year Warranty

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  • Technical Features

Technical Features for Serta Foam™ 400 Luxury Firm

GET MORE FROM YOUR SLEEP - The mattress features Serta Cool Action™ Gel Memory Foam which provides excellent pressure relief. The ComfortLast® Foam Core durable foam support system designed to provide proper body support and alignment while the Ultimate Edge® Foam Encasement strengthens the mattress edges. The mattress has a premium support system which minimizes impact from partner movement and also has advanced foams designed for motion isolation.

This Model Features:

    • Cool Action™ Gel Memory Foam
      • Provides excellent pressure relief, targeted support and heat dissipation and helps reduce tossing and turning
    • The ComfortLast® Foam Core
      • Encourages proper back support and alignment
    • Ultimate Edge® Foam Encasement
      • Strengthens the mattress edges
    • ComfortLast® Construction
      • Resists sagging and edge roll-off
    • Balanced Support Foam
      • Provides that “just right” combination of cushioning comfort and enhanced support
Model Name: Foam 400
Comfort Level: Luxury Firm
Mattress Crown Height: 9"
Comfort Layers: Foam Layers in a mattress that provides the comfort level (i.e. Luxury Firm)
Quilt Layers: Layers of Fiber or Foam sewn to the cover of the mattress
First Layer: N/A
Deck Layers: Layers of Foam located in the “pillow top” of the mattress
First Layer: N/A
Upholstery Layers: Any layers of Foam in the mattress that lay on top of the support layer
First Layer:
Second Layer:
2” Cool Action™ Gel Memory Foam
1” Serta Balanced Support Foam
Support layers: Coil Unit in a matress that provides support for the sleeper.
Coil Unit: N/A
Coil Gauge: N/A
Coil Density: N/A
Edge Support: Ultimate Edge® Foam Encasement
Coil Support: 6” ComfortLast® Foam Core

WARRANTY: *10 Year Limited Warranty

Mattress Dimensions: International Sleep Product Association (ISPA) Tolerance (+/- 1/2")
Twin: 39" x 75"
Full: 54" x 75"
Queen: 60" x 80"
King: 76" x 80"
Cal King : 72" x 84"
The Foam 400 Twin Size Luxury Firm Mattress has many exciting features for users of all types. See the Foam 400 Twin Size Luxury Firm Mattress gallery images above for more product views. The Foam 400 Twin Size Luxury Firm Mattress is sold as a Brand New Unopened Item.