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Serta Perfect Sleeper X Firm, Plush Knox

Serta Perfect Sleeper X Firm, Plush Knox

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SKU 500088668-3020
Size: Twin XL

The Serta Perfect Sleeper X Knox mattress comes in Firm and Plush comfort levels, offering tailored support and comfort for a variety of sleeping styles. Part of Serta's Perfect Sleeper X collection, this hybrid mattress is designed to improve sleep quality through pressure relief, cooling technology, and durable support.

Description

The Perfect Sleeper X Knox combines advanced memory foam layers with a robust innerspring support system. The Firm Knox is ideal for sleepers who prefer a sturdy, supportive surface, while the Plush Knox offers a softer, more luxurious feel for those seeking additional cushioning.

Key Specifications

  1. Mattress Type: Hybrid (foam and innerspring construction)
  2. Comfort Levels:
    • Firm: Provides a sturdy, supportive feel for back and stomach sleepers.
    • Plush: Delivers a soft, cushioning surface, ideal for side sleepers and those seeking extra comfort.
  3. Foam Layers:
    • CoolFeel™ Fabric: A breathable cover with a cool-to-the-touch sensation.
    • HexCloud™ Gel Memory Foam: Promotes airflow and provides pressure relief.
    • Balanced Support Foam: Enhances support and maintains spinal alignment.
  4. Support System:
    • 1000 Series Custom Support™ Coil System: Individually wrapped coils for targeted support and reduced motion transfer.
    • BestEdge® Foam Encasement: Reinforces the mattress perimeter for a consistent and durable sleep surface.
  5. Height: 13–15 inches, depending on the configuration.
  6. Sizes Available: Twin, Twin XL, Full, Queen, King, and California King.

Features

  • Pressure Relief: Conforms to your body to alleviate stress on key areas like shoulders, hips, and back.
  • Temperature Regulation: Cooling gel and breathable fabrics maintain a comfortable sleeping environment.
  • Motion Isolation: Minimizes motion transfer, making it ideal for couples.
  • Edge Support: Prevents sagging and maximizes usable sleep surface.

Who It’s For

  • Firm Knox:
    • Best for back and stomach sleepers who need robust support for spinal alignment.
    • Ideal for those who prefer minimal sink-in or contouring.
  • Plush Knox:
    • Perfect for side sleepers or those who enjoy a softer, cradling sleep surface.
    • Great for anyone seeking enhanced comfort and pressure relief.

Warranty

The Serta Perfect Sleeper X Knox is backed by a 10-year limited warranty, offering peace of mind and confidence in its durability.