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Serta Perfect Sleeper X™ Knox Quilted Tight Top Hybrid 13.5" Firm Mattress

FREE GIFT Save $300.00 Save $300.00
Original price $999.00
Original price $999.00 - Original price $1,899.00
Original price $999.00
Current price $699.00
$699.00 - $1,599.00
Current price $699.00

BUNDLE & SAVE

Save up to $700 on Serta Perfect Sleeper X™ mattresses with the purchase of Serta motion perfect adjustable base.
PLUS, 🎁Free $599 Bedding Bundle (includes Mattress Protector, 2 Cooling Pillows & Sheet Set) Add eligible item to the cart (Serta classic bundle) Use Code BUNDLE at checkout!
0 Days | 8 Hours | 0 Minutes | 1 Seconds
Size : Twin XL

Choose Your Foundation

Complete Your Bed

SnoZzzze With Assurance

130 Night Comfort Trial

We offer a 130 comfort trial to ensure you're sleeping on the perfect bed. If not, we'll work with you until we find the one that is.

110% Low Price Guarantee

Found it cheaper elsewhere? NO PROBLEM, We will match the price PLUS EXTRA 10%.

Customer Support 24/7

Our Sleep Specialists are extensively trained to ensure that you experience your greatest rest. You can get in touch with us through chat, call, or an in-store visit.

10-Year Warranty

We believe in the quality of our products and are committed to our customers who believe in them. All Serta mattresses include a 10-year warranty.

Free shipping

Shipping is fast and free*. Your order is dispatched in 1 - 2 business days.

Why Our Sleep Specialists Recommend it

“Great choice for those that prefer a classic, quilted feel—featuring 5 support zones for full-body spinal alignment with responsive coils and graphite-infused memory foam, plus cooling technology.”

- Gary .B, Sleep Specialists

BEST FOR

Stomach & Back sleepers

BENEFITS

Back Support
Cooling
Pressure Relief
Motion isolation
Adjustable Base Compatible
Durable
Hypoallergenic

Overview

Experience full-body alignment and targeted pressure relief with the 5 ZoneActive™ Design of this mattress. Combining coils and memory foam, this design offers superior comfort and support. Perfect Conform™ Memory Foam cradles your pressure points for restorative sleep, while cooling technology and 1” of graphite-infused memory foam redistribute heat for a comfortable night's rest. With Cool Twist® Gel Memory Foam, you can enjoy enhanced airflow and heat dissipation for superior comfort. 100% assembled in the USA.

Benefits

Support

Optimal support from your mattress can alleviate common sleep issues such as snoring, soreness, and sleep apnea. This is achieved by evenly distributing your body weight and maintaining proper alignment of your joints and spine.

Optimal support from your mattress can alleviate common sleep issues such as snoring, soreness, and sleep apnea. This is achieved by evenly distributing your body weight and maintaining proper alignment of your joints and spine.

SUPPORT

5 ZoneActive™ Design

Combines coils and contouring memory foam to promote full-body alignment designed to offer comfort and support where you need it most.

Cooling Technology

Temperature-regulating components and materials draw heat away from the body to create a cool and comfortable sleep surface.

Temperature-regulating components and materials draw heat away from the body to create a cool and comfortable sleep surface.

COOLING TECHNOLOGY

Cool Twist® Gel Memory Foam & 1” of graphite-infused memory foam

Offers enhanced airflow, heat dissipation, and contouring comfort.

Pressure Relief

Proper pressure relief is crucial for reducing discomfort, stiffness, pain, and sleep apnea. By maintaining consistent pressure throughout the mattress, This Mattress provides exceptional relief for a restful night's sleep

Proper pressure relief is crucial for reducing discomfort, stiffness, pain, and sleep apnea. By maintaining consistent pressure throughout the mattress, This Mattress provides exceptional relief for a restful night's sleep

PRESSURE RELIEF

Perfect Conform™ Memory Foam

Contours and cradles your pressure points for restorative sleep.

Motion Separation

The motion separation feature is designed to isolate movement, reduce the sensation of partners tossing and turning and offer pressure relief to shoulders, hips, and back

The motion separation feature is designed to isolate movement, reduce the sensation of partners tossing and turning and offer pressure relief to shoulders, hips, and back

MOTION SEPARATION

5 ZoneActive™ Design

combines coils and contouring memory foam to promote full-body alignment designed to offer comfort and support where you need it most and help reduce motion transfer

Hypoallergenic

Hinders dust mites from touching your mattress or bedding. Making it ideal for allergy sufferers. You can rest easy knowing that you are receiving a product that is backed by science and expert knowledge.

Hinders dust mites from touching your mattress or bedding. Making it ideal for allergy sufferers. You can rest easy knowing that you are receiving a product that is backed by science and expert knowledge.

HYPOALLERGENIC

CertiPUR-US® certified foams.

Sleep peacefully knowing all our products* use CertiPUR-US® certified foams. This means they are made with no formaldehyde, mercury, lead, or other heavy
metals.

Adjustable Base Friendly

Elevating the top and/or bottom of your mattress provides targeted support to help reduce snoring, provide pain relief and make reading and watching TV more comfortable. Its adjustable design helps to ensure optimal comfort and posture, giving you the support and relaxation you need for better sleep.

Elevating the top and/or bottom of your mattress provides targeted support to help reduce snoring, provide pain relief and make reading and watching TV more comfortable. Its adjustable design helps to ensure optimal comfort and posture, giving you the support and relaxation you need for better sleep.

ADJUSTABLE BASE COMPATIBLE

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

This mattress is adjustable base friendly, offering tailored support to reduce snoring, aid with pain, and increase comfort while reading or watching TV. Its adjustable design provides optimal comfort and posture, so you can enjoy restful sleep.

Specifications

Shipping

About Serta

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