Serta Perfect Sleeper X Knox Hybrid Mattress

Still not sure what you need? Check out our Mattress Buying Guide to find the perfect mattress for you.

Experience the Serta Quilted Perfect Sleeper X Collection

Get the sleep you deserve with the Serta Quilted Perfect Sleeper X Collection. This premium mattress features a 5 ZoneResponse Design, combining Perfect Conform Memory Foam with 5-zoned coils for full-body alignment. The mattress is designed with cooling technology and graphite-infused memory foam to redistribute heat away from your body, ensuring a cool and comfortable sleep throughout the night. The quilted top adds a classic feel and an extra layer of plush foam for that luxurious touch. Experience xtraordinary sleep with the Serta Quilted Perfect Sleeper X.

100 Night In-Home Trial

We understand that it takes time to adjust to a new mattress. That's why we offer Sam’s Club members up to 100 nights to try this mattress risk-free. The trial period starts on the day of delivery. If you aren't 100% satisfied with your purchase, you can return your mattress or set for a full refund. For any concerns regarding potential defects, please reach out to our Serta Simmons Customer Service team to discuss options under the 10-year limited warranty.

Serta - Always Comfortable

The Serta mattress is designed with your comfort in mind. All Serta mattresses undergo rigorous performance and durability testing to ensure they remain as comfortable on the 1000th night as they were on the first. Serta also tests individual components, guaranteeing quality and durability down to the last stitch. Shop smart, sleep comfortably.

White Glove Delivery+

White Glove Delivery+ includes setup of the item(s) in your chosen room, assembly of a universal bed frame (if no tools are required), and removal & disposal of an old mattress or set. The delivery agent can refuse pickup of any stained mattress and/or foundation for safety reasons. For any concerns or questions regarding your order, please contact the Serta Sam’s Club team at (888) 802-2948.

Frequently Asked Questions

• How is this mattress delivered to me? How to unbox this mattress?

This Mattress is delivered to you via our delivery Partners RXO and which includes White Glove delivery plus Haul Away

• What is this weight limit for this mattress or mattress set?

1000lbs

• What bases are compatible with this mattress? Does it need a Boxspring?

Boost the height of your bed by setting your mattress against a foundation. The Serta Perfect Sleeper X Hybrid mattress is compatible with platform foundations and solid surface bed frames.

• What type of sleeper is the mattress best suited for?

Plush - Great for side sleepers for extra comfort at the shoulders, hips and lower back. Firm - Ideal for stomach and back sleepers with extra support."

• Does this mattress have cooling properties?

Yes, CoolFeel™ System - Cooling technology keeps you comfortable throughout the night.

• Does this include pocketed coils?

Yes, with our 5 ZoneResponse Design™ coils provide full-body spinal alignment in any sleep position.

• Is this a Mattress in a Box

No, this is a traditional mattress.

• What is the thickness of the mattress?

This mattress has a height of 13.75" for the Plush and 13.5" for the Firm.

• For any concerns or questions regarding your order please contact the Serta Simmons Sam’s Club team at (888) 802-2948.