Serta™ 300 Firm Twin Size

No Longer Manufactured.

Brand New Limited 10 Year Warranty

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  • Technical Features

Technical Features for Serta Serta™ 300 Firm Twin Size

GET MORE FROM YOUR SLEEP - The mattress features Serta 711 Firm Individually Wrapped Coil Innerspring featuring durable, flexible wrapped coils that react individually to every contour of your body. It has a special coil gauge design that helps create a firmer feel across the entire mattress. Plus, a layer of Cool Twist® Gel Foam provides enhanced, breathable comfort while Serta Support Foam helps create an extra-firm feel across the mattress.

This Model Features:

    • Cool Twist® Gel Memory Foam
      • Breathable, Gel Enhanced Foam Gently Conforms to the Body and Helps Reduce Tossing and Turning
    • 711 Firm Individually Wrapped Coil Innerspring
      • Durable, Flexible Wrapped Coils that React Individually to Every Contour of the Body
    • Best Edge® Foam Encasement
      • Strengthens the Mattress Edges
    • FireBlocker™ Fiber
      • Natural and Synthetic Fibers Help to Isolate the Impact of a Fire and Limit its Spread
    • Serta Support® Foam
      • Combines Gentle Cushioning With Extra Support for More Firmness Throughout the Mattress
Model Name: Firm 300
Comfort Level: Firm
Mattress Crown Height: 10.5"
Comfort Layers: Foam Layers in a Mattress that Provides the Comfort Level (i.e. Firm)
Quilt Layers: Layers of Fiber or Foam Sewn to the Cover of the Mattress
First Layer:
Second Layer:
Third Layer:
Fourth Layer:
FireBlocker® Fiber
1/2" Serta PillowSoft™ Foam
PillowSoft Aire™
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:
1/2” Cool Twist® Gel Foam
1” Serta® Support Foam
Support layers: Coil Unit in a Matress that Provides Support for the Sleeper.
Coil Unit: 711 Firm Individually Wrapped Coil Innerspring
Coil Gauge: N/A
Coil Density: N/A
Edge Support: Best Edge™ Foam Encasement
Coil Support: N/A

WARRANTY: *10 Year Limited Warranty

Mattress Dimensions: International Sleep Product Association (ISPA) Tolerance (+/- 1/2")
Twin: 39" x 75"
Twin XL: 39" x 80"
Full: 54" x 75"
Queen: 60" x 80"
King: 76" x 80"
Cal King : 72" x 84"
The Serta 300 Twin Size Firm Mattress has many exciting features for users of all types. It's one of FactoryOutletStore's best selling . See the Serta 300 Twin Size Firm Mattress gallery images above for more product views. The Serta 300 Twin Size Firm Mattress is sold as a Brand New Unopened Item.