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Serta Perfect Sleeper X Hybrid Aspen Firm Mattress

by Serta
Original price $1,299.99 - Original price $2,599.98
Original price
$1,299.99
$1,299.99 - $2,599.98
Current price $1,299.99
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Free Curbside Shipping: 2 Weeks
White Glove Delivery: 3 Weeks
White Glove Delivery + Removal: 3 Weeks

Complete Your Bed

This mattress pairs with a Serta matching foundation or the Beautyrest Black Luxury adjustable base below. Add one using the "Add an Adjustable Base or Matching Foundation" dropdown above, or view full details here.

The Serta Perfect Sleeper X™ Hybrid Aspen Firm Mattress pairs a 5 ZoneActive™ zoned coil system with graphite-infused Perfect Conform™ Memory Foam in a firm feel built for back and stomach sleepers who want a supportive, minimal-sink surface. Cool Twist® Gel Memory Foam and an Eco-Friendly recycled-content fabric top round out a mattress backed by Serta's 10-Year Limited Warranty and a 120-Day In-Home Trial.

Serta Perfect Sleeper X Hybrid Aspen Firm Mattress

Hybrid Support, Built Firm

The Aspen Firm is part of Serta's Perfect Sleeper X™ Hybrid smooth-top line: a 5 ZoneActive™ coil system working together with graphite-infused memory foam comfort layers. In the Firm feel, the coil layer does more of the supporting work and the foam stays thinner on top — less sink, more support, for sleepers who don't want a plush, contouring feel.

It's built with Serta's 5 ZoneActive™ Design, 1" Perfect Conform™ Memory Foam, Graphite-Infused Memory Foam, and Cool Twist® Gel Memory Foam, wrapped in an Eco-Friendly fabric top and fiber base pad made with recycled plastic.

Built For

Sleep Position

Back & Stomach Sleepers

The Firm feel keeps sink to a minimum, so back and stomach sleepers stay supported and aligned instead of settling into a soft, contouring surface.

Targeted Support

Full-Body Alignment, Zone by Zone

5 ZoneActive™ Design combines responsive coils and contouring memory foam to provide comfort and support exactly where your body needs it most, in any sleep position.

Cooling Comfort

Stays Cool All Night

Graphite-infused memory foam and Cool Twist® Gel Memory Foam work together to pull heat away from the body and enhance airflow for a more comfortable sleep temperature.

Why You'll Love the Aspen Firm

  • Hybrid comfort & support — coils and memory foam working together, not just stacked
  • Firm, minimal-sink feel — built for back & stomach sleepers
  • Graphite-infused cooling — helps redistribute body heat all night
  • Reduced motion transfer — undisturbed rest for couples
  • Consistent 12.5" profile — fits standard frames, platform beds, and adjustable bases
  • Eco-friendly materials — top fabric and fiber base pad made with recycled plastic
  • CertiPUR-US® certified foams
  • 10-Year Limited Warranty & 120-Day In-Home Trial

Sizes & Specifications

Available Sizes
  • Twin XL
  • Full
  • Queen
  • King
  • Cal King
  • Split King
Specifications
  • Construction: Hybrid — 5 ZoneActive™ zoned coil support core + graphite-infused Perfect Conform™ Memory Foam comfort layer
  • Mattress Height: 12.5 inches
  • Feel: Firm
  • Certification: CertiPUR-US® certified foams
  • Warranty: 10-year limited warranty

Engineered for Firm, All-Night Support

Serta Perfect Sleeper X Hybrid Aspen Firm cutaway showing coil and foam construction
Construction

What's Inside

  1. 1 5 ZoneActive™ Design — combines responsive coils and contouring memory foam to promote full-body alignment, providing comfort and support where needed most.
  2. 2 Perfect Conform™ Memory Foam — a 1-inch layer that adapts to your body's curves, alleviating pressure points for enhanced comfort.
  3. 3 Graphite-Infused Memory Foam — helps redistribute heat away from the body, maintaining an optimal sleep temperature.
  4. 4 Cool Twist® Gel Memory Foam — enhances airflow and heat dissipation while providing contouring comfort.
  5. 5 Eco-Friendly Fabric — the top fabric and fiber base pad contain recycled plastic, contributing to environmental sustainability.
Feel & Support

Built for a Firm Feel

This is the Firm option in the Perfect Sleeper X™ Hybrid line: less sink than the Plush version, with the coil layer doing more of the supporting work and the memory foam layers kept thinner on top.

Why it matters:

  • Minimal sink — supportive surface for back and stomach sleepers
  • Coil-forward feel — less body-contouring than a plush or medium feel
  • Consistent support — foam adds comfort without masking the coil support underneath
Cooling

Graphite & Cool Twist® Cooling

Graphite-infused memory foam draws heat away from the body while Cool Twist® Gel Memory Foam enhances airflow and heat dissipation, so the Aspen Firm sleeps cooler through the night.

Why it matters:

  • Heat redistribution — graphite infusion pulls heat away from the sleep surface
  • Better airflow — Cool Twist® gel structure helps dissipate trapped heat
Quality Assured

Certified Materials, Backed for the Long Haul

CertiPUR-US® Certified: Foams are tested and free from harmful chemicals and gases. The Aspen Firm is backed by Serta's 10-Year Limited Warranty, plus a 120-Day In-Home Trial — experience it in your home for up to 120 days, and if you're not completely satisfied, exchange or return it for a refund.

MATTRESS DIMENSIONS

  • Twin XL

    39" wide x 79.5" long
    12.5" High

  • Full

    54" wide x 75" long
    12.5" High

  • Queen

    60" wide x 79.5" long
    12.5" High

  • King

    76" wide x 79.5" long
    12.5" High

  • Cal King

    72" wide x 83.5" long
    12.5" High

  • Split King (2 mattresses)

    39" wide x 79.5" long (each piece)
    12.5" High

*Dimensions of each individual mattress may vary slightly.

SPECIFICATIONS

  • Construction: Hybrid — 5 ZoneActive™ zoned coil support core + comfort layers (1" graphite-infused Perfect Conform™ Memory Foam, Graphite-Infused Memory Foam, Cool Twist® Gel Memory Foam, Eco-Friendly recycled-content fabric top)
  • Mattress Height: 12.5 inches
  • Feel: Firm
  • Certification: CertiPUR-US® certified foams
  • Warranty: 10-year limited warranty
  • Care: Use a mattress protector; do not apply liquids directly to the mattress — for cleaning, apply baking soda to the soiled area, let stand about 15 minutes, then vacuum, repeating as needed. Air out the mattress as much as possible to maintain freshness.

10 Year Limited Warranty

Serta® mattresses or foundations used with proper support are protected by a 10 year limited manufacturer’s warranty. Serta products are warrantied against manufacturing defects in workmanship and material (excluding covers and handles, except for handles on iSeries and equivalent level mattresses).

Exclusions

    Comfort Preference
  • Bedding sold “as is”, or floor samples, or bedding purchased from second hand parties, non-retail establishments or received as a promotional item.
  • Bedding height
  • Corner guards
  • Bent perimeter border rods due to moving or bending the sleep set for innerspring models
  • Replacement of another piece in a sleep set unless it is also defective
  • Damage of the mattress or foundation due to misuse or abuse
  • Mattress damage due to an inappropriate foundation or when an incorrect bed frame is used
  • Sheet fit
  • Fabric Stains, soiling, fluid penetration, tears or burns
  • Adjustable foundations (see owner’s manual for details on warranty coverage)
  • Mattress fabric (except as noted in the Warranty Coverage Detail section for an All Foam mattress)
  • Zippered mattress cover damage due to improper care including removal of cover
  • Normal change in softness and recovery time associated with memory foam and latex materials over time. This does not affect the pressure relieving qualities of these materials.
  • Body impressions in the mattress that measure less than ¾" for all smooth top (non-quilted) hybrid mattresses and All Foam model mattresses.
  • Sagging in the mattress that measure less than less than ¾" for all smooth top (non-quilted) hybrid mattresses and All Foam model mattresses.

Term

The warranty coverage runs from the original date of purchase. Replacement of the mattress or foundation does not extend its limited warranty or begin a new limited warranty period. Your warranty period is based on the code printed on your white law label as indicated on the Warranty Code Chart. The duration of any applicable implied warranties, including but not limited to the implied warranties of merchantability and fitness, shall not exceed the term of this limited warranty. (Some states do not allow limitations on how long an implied warranty lasts, so this limitation may not apply to you.) Serta® shall not be liable for incidental or consequential damages that result from the use of your Serta® product. (Some states do not allow the exclusion or limitation of incidental or consequential damages, so this exclusion may not apply to you.) No expressed or implied warranties are extended to persons who purchase the product from anyone other than Serta Simmons Bedding Company or its authorized dealers, and all warranties to such persons, including the implied warranties of merchantability and fitness, are hereby excluded.

Service

If your Serta® mattress or foundation fails due to a manufacturing defect, the exclusive remedy under this warranty will be replacement of the defective product in the U.S., Puerto Rico or U.S. Virgin Islands. If the Serta® product you purchased is discontinued at the time of replacement, a current model of comparable quality and value will be selected. To receive service under the terms of this warranty contact your original Serta® dealer. If your original Serta® dealer is no longer in business or you have moved outside the service area, please contact Serta Customer Service at 1-888-55-SERTA (1-888-557-3782) between the hours of 9am to 5pm EST Monday - Friday. A copy of original bill of sale is needed to determine original date of purchase. Model name label and law label must be provided to identify the bedding and validate this warranty.

Your Rights Under State Law

This warranty gives you specific rights, and you may have other rights, which vary from state to state. This warranty is extended only to the original purchaser from Serta Simmons Bedding Company or its authorized dealers.

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}