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Serta Perfect Sleeper X Quilted Knox Firm Mattress

by Serta
Original price $999.99
Original price $999.99 - Original price $1,899.99
Original price $999.99
Current price $774.99
$774.99 - $1,674.99
Current price $774.99
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Free Curbside Shipping: 2 Weeks
White Glove Delivery: 3 Weeks
White Glove Delivery + Removal: 3 Weeks

Serta Perfect Sleeper X™ Quilted Knox Firm Mattress

Experience premium support and perfect sleep with the Serta Perfect Sleeper X™ Quilted Knox Firm Mattress. This 13.5-inch quilted hybrid mattress combines advanced support zones, graphite-infused memory foam, and cooling technology to promote full-body alignment and provide a restorative night's sleep.

Key Features

  • Comfort Level: Firm feel, ideal for back and stomach sleepers seeking substantial support.
  • Support System: 5 ZoneResponse™ Design combines zoned coils and contouring memory foam for full-body spinal alignment, offering comfort and support where you need it most.
  • Pressure Relief: 1" Perfect Conform™ Memory Foam, graphite-infused to provide targeted pressure relief and redistribute heat away from the body.
  • Cooling Technology: CoolFeel™ System keeps you comfortable throughout the night by promoting a cooler sleep environment.
  • Motion Isolation: Designed to minimize the impact of partner movement, ensuring undisturbed rest.
  • Profile Height: 13.5 inches, offering a substantial and supportive sleep surface.

Materials & Construction

  • 5 ZoneResponse™ Design: Combines zoned coils and contouring memory foam for full-body spinal alignment, providing comfort and support where needed most.
  • Perfect Conform™ Memory Foam: 1-inch layer that adapts to your body's curves, alleviating pressure points for enhanced comfort.
  • Graphite-Infused Memory Foam: Helps redistribute heat away from the body, maintaining an optimal sleep temperature.
  • CoolFeel™ System: Keeps you comfortable throughout the night by promoting a cooler sleep environment.
  • CertiPUR-US® Certified: Foams are tested and free from harmful chemicals and gases, ensuring safety and eco-friendliness.

Care Instructions

  • Use a mattress protector to safeguard against stains and spills, enhancing the overall health and lifespan of your mattress.
  • Avoid applying liquids directly to the mattress; for cleaning, apply baking soda to the soiled area, let it stand for about 15 minutes, then vacuum. Repeat as needed.
  • Air out the product as much as possible to maintain freshness.

Compatibility

Compatible with most frames, including traditional frames, box springs, platform frames, slatted frames, bunky boards, and adjustable frames.

Additional Information

  • Warranty: Backed by Serta’s 10-year limited warranty for peace of mind.
  • Sizes Available: Twin XL, Full, Queen, King, and California King.
  • 120-Day In-Home Trial: Experience the mattress in your home for up to 120 days; if not completely satisfied, you can exchange or return it for a refund.

Why Buy Serta Online?

10-YEAR LIMITED WARRANTY

You should be able to rely on the quality of your rest night after night. That’s why every Serta® mattress is backed by Serta’s 10-year limited warranty.

DESIGNED & BUILT IN THE USA

All Serta mattresses are designed and assembled in the USA, leveraging our 85 years of manufacturing expertise.

CERTIPUR-US® CERTIFIED

Rest easy knowing Serta uses only CertiPUR-US® Certified Polyurethane Foam.

Perfect Sleeper FAQS

The Perfect Sleeper X™ Hybrid Mattress offers Xtra comfort, Xtra support zones, Xtra pressure relief, Xtra premium memory foam, Xtra cooling technology, and ultimately, Xtraordinary sleep.

Zoned Support refers to ergonomically designed support zones within the mattress that feature alternating levels of firmness. These zones are crafted to maintain your body's natural alignment during sleep by providing enhanced support where the body naturally curves and ensuring comfort where the body contacts the mattress the most.

The 5 ZoneActive™ Design is engineered to maintain your natural alignment throughout the night. It provides enhanced support where your body naturally curves, such as the lower back and upper thighs, and ensures comfort at key contact points like the shoulders, hips, and lower legs.

Yes, the mattress incorporates the CoolFeel™ System, which keeps you comfortable throughout the night by promoting a cooler sleep environment.

No, the Perfect Sleeper X™ Hybrid Mattress does not contain any fiberglass, ensuring a safe and comfortable sleep environment. :contentReference[oaicite:0]{index=0}

The Perfect Sleeper X™ Hybrid Mattress is available in multiple comfort levels, including Firm, Medium Firm, Medium, and Plush, allowing you to choose the firmness that best suits your sleep preferences. :contentReference[oaicite:1]{index=1}

Yes, the Perfect Sleeper X™ Hybrid Mattress is compatible with most frames, including traditional frames, box springs, platform frames, slatted frames, bunky boards, and adjustable frames, providing flexibility to suit your setup. :contentReference[oaicite:2]{index=2}

To protect your mattress from stains and spills, it's recommended to use a mattress protector. For cleaning, avoid applying liquids directly; instead, apply baking soda to the soiled area, let it stand for about 15 minutes, then vacuum. Repeat as needed. Airing out the mattress regularly helps maintain freshness. :contentReference[oaicite:3]{index=3}