Serta Perfect Sleeper X Aspen Firm 12.5 Inch Hybrid Mattress in a modern, light blue bedroom. 12.5 Inch Serta Perfect Sleeper X Aspen Firm Smooth Top Hybrid Mattress with cooling fabric cover. Front-facing view of the Serta Perfect Sleeper X Aspen Firm Mattress featuring 5-zone support tags. Cutaway view of Serta Perfect Sleeper X Aspen Firm Mattress layers showing support coils and cooling foam. Edge support on the 12.5 Inch Serta Perfect Sleeper X Aspen Firm Hybrid Mattress for stable seating. Side view of the Serta Perfect Sleeper X Aspen Firm 12.5 Inch Mattress on a wood platform bed frame. Detail of the cooling smooth top fabric on the Serta Perfect Sleeper X Aspen Firm Hybrid Mattress. Infographic for Serta Perfect Sleeper X Aspen Firm Mattress: 5-zone support and cooling technology. Exploded view diagram of Serta Perfect Sleeper X Aspen Firm Mattress cooling and support layers.
Perfect Sleeper X Aspen Firm Smooth Top 12.5 Inch Hybrid Mattress
Ultra Soft Soft Medium Soft Medium Medium Firm Firm Extra Firm

Perfect Sleeper X Aspen Firm Smooth Top 12.5 Inch Hybrid Mattress

$1,299.00
$1,799.00
Save $500.00
Brand: Serta
Size
i Size Guide
$1,299.00
Only 17 left in stock
Free Shipping Free Shipping
10-Year Limited Warranty 10-Year Limited Warranty
100-Night Trial 100-Night Trial

To begin with, the Serta Perfect Sleeper X Aspen Firm delivers a streamlined firm, smooth top hybrid mattress that skips the pillow-top loft yet still feels inviting thanks to a soft-to-the-touch CoolFeel® cover. 

Next, Cool Twist Gel Memory Foam teams with high-density comfort layers to ease surface pressure while keeping the overall feel extra supportive. Because of this balanced build, many owners consider it the best 12.5-inch mattress for back sleepers who need rock-solid alignment. 

Deeper down, an 825 Edition Custom Support Coil unit of individually wrapped springs targets the lumbar zone and cuts partner motion, turning nightly tossing into zero motion transfer for couples. Excel-Edge style foam rails shore up the perimeter, so you can sit or sleep right to the edge with confidence. 

Finally, you can buy Serta Aspen hybrid online today with free shipping in the USA, flexible financing, and a $700 discount—making it simple to upgrade to a 12.5-inch queen hybrid mattress or larger while stock lasts.

Firm Smooth-Top Support

Flat, uniform surface keeps the spine level for back & stomach sleepers.

5-Zone Targeted Coil System

Zoned springs add extra lift beneath hips for healthier alignment.

Cool Twist Gel Memory Foam

Gel infusion pulls heat away for a breathable night’s sleep.

Individual Coil Motion Control

Pocketed springs isolate movement, so partners stay undisturbed.

Excel-Edge Perimeter

Reinforced edges prevent sag and expand usable sleep space.

Sale + Financing

Memorial promotion saves $700, and Affirm splits payments over time.

Key Mattress Benefits

Perfect Sleeper X Aspen Firm Smooth Top 12.5 Inch Hybrid Mattress

6 Layers
Of Cooling
Comfort

Breathable knit fabric stays cool and resists bunching under fitted sheets.

Gel-infused foam contours lightly and dissipates heat, adding comfort without softening the overall feel.

Extra-firm layers distribute weight evenly and reduce long-term impressions.

Pocketed springs respond to your shape, minimise partner motion, and focus extra support under the lumbar zone.

Sturdy rails brace the perimeter, delivering durable edge-to-edge support.

Firm bottom foam anchors the coil unit for years of reliable use.

Perfect Sleeper X Aspen Firm Smooth Top 12.5 Inch Hybrid Mattress
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CLOUDY MATTRESS IS THE SMARTER CHOICE

From better sleep support to trusted quality, Cloudy Mattress gives you more value for your money.

SHIPPING

FASTEST SHIPPING

Get your new mattress delivered quicker than ever with our priority nationwide shipping. No long waits, comfort arrives right at your door step, fast.

CUSTOMER SUPPORT

24 / 7 CUSTOMER SUPPORT

Whether its day or night, our dedicated team is always available to answer questions, resolve issues, and guide you through every step.

GUIDANCE

EXPERT GUIDANCE

Not sure which mattress suits you best? our sleep experts are here to help you choose the perfect option tailored to your comfort, health and lifestyle needs.

GUARANTEED

BEST PRICE GUARANTEED

Shop with confidence knowing you're getting the best value. If you find a better deal, we'll matach it, guaranteed.

WE'VE GOT ANSWERS
HAVE QUESTIONS?

WE'VE GOT ANSWERS

Designed for deep comfort and better rest, so you wake up refreshed and ready for the day

Yes. The firm smooth-top design and zoned coil core keep the spine neutral, which can reduce lower-back strain for many sleepers.

No. A solid platform, slatted base with gaps under three inches, bunkie board, or adjustable foundation will support it; a box spring is strictly optional.

A smooth top delivers uniform contact without extra loft, giving a flatter feel that many back and stomach sleepers prefer for steady support.

Serta uses foams that comply with U.S. safety standards and are typically CertiPUR-US® certified; request documentation from Serta for confirmation.

Cloudy Mattress lists the Aspen as “Firm Comfort,” offering minimal sink and robust push-back—ideal for those who like a supportive, hotel-style feel.

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