Online Only

Serta iSeries NXG 3500 Hybrid Firm

Serta iSeries NXG Collection

subtotal:

$2,299.99 $2,599.99

Open Flex “Dual Use” details (Letter of Medical Necessity) Pay with Flex

Local
Delivery

Local delivery and set up is included for a flat fee of $69.99 within 25 miles of any Sit ‘n Sleep store.

We will also "haul away" your old mattress and box spring upon delivery of your new order: Just let us know!

Next day delivery on available inventory. Not applicable for UPS and FedEx orders. See our COVID-19 page for more information.

120-Night Sleep Trial

Buying a new mattress is not something you do everyday. Our 120-night sleep trial and comfort guarantee means you can rest easy.

10 Year Warranty

You spend a third of your life asleep on your mattress. Shouldn't you at least lay on it first? Come visit one of our 39 store locations and get comfy with your purchase.

Mattress Removal

We will "haul away" your old mattress and box spring upon delivery of your new order: Just let us know if you would like this service.

We’ve evolved the Serta® iSeries NXG™ to be the next generation of comfort. We’ve built this Firm feel mattress with a series of benefits for the sleep you want. Experience immediate cooling, instant pressure relief, and ideal support for a deeper , more restful sleep at a price that makes sense. Featuring high-density memory foam, NXG™ Memory Foam delivers deep, contouring pressure relief. A cool-to-the-touch fabric offers instant cooling, while Carbon Fiber Memory Foam draws heat away from the body for all-night comfort. The hybrid models feature a 5-zone coil system with alternating Firm and Plush areas to better support the curves of your back and body.

Images Shown For Illustration Purposes Only.

This model not available in retail locations, ONLINE ONLY.

Firm Mattress-Layered with exclusive High Density Memory Foams and the Q4™ Support System with Zoning.
For the person looking to experience immediate cooling, instant pressure relief, and ideal support for a deeper, more restful sleep at a price that makes sense.

Add a Base and Frame:

Hollywood E3 Frame

from $139.99

get it Delivery date contingent on available inventory

Add it

Have Questions?

We're here to help. Give us a call or visit your local store.

Firm

Firm Mattress-Layered with exclusive High Density Memory Foams and the Q4™ Support System with Zoning.

Key Feature

NXG Memory Foam is a high-density, premium memory foam with a slow-response feel for deep, contouring pressure relief.

Ready for Your Best Night’s Sleep?

This model not available in retail locations. Online Only.

Cooling Comfort

NXG Memory Foam

Q4™ Support System with Zoning

Made in USA with Global Components

CERTIPUR-US® CERTIFIED

Mattress is adjustable friendly - works well on motion bases.

Mattress Height (Approx.) 13.5”

10 Year Warranty

Mattress Type: Hybrid

Comfort Level: Firm

Support: 5-Zone Coil Support System targeted support for your back and body with BestEdge™ for lasting, edge-to-edge mattress integrity.

Pressure Relief: NXG Memory Foam is a high-density, premium memory foam with a slow-response feel for deep, contouring pressure relief.

Temperature Management: CoolFeel™ Plus cover provides immediate cooling, directly from the mattress surface, so you sleep and wake refreshed.

Approx. 

Twin XL 38" x 80" x 13.5" 

Full 54" x 75" x 13.5" 

Queen 60" x 80" x 13.5" 

King 76" x 80" x 13.5" 

CA King 72" x 84" x 13.5"

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