Quilt Layer

A stretch-knit covering features Tencel, a sustainably sourced fiber used in athletic wear, designed to wick away moisture and keep you comfortable.

Comfort Layer

A supportive layer that features Premium Gel Memory Foam and our lntelliCoil to adapt to your body and relieve pressure all through the night.


A nested coil design provides adaptive support for every type of sleeper.

Precision Edge

A high-density coil border provides durable edge support to ensure your mattress holds its shape.

Airvent System

Ventilated coil system works with external air vents to increase breathability and promote cool, comfortable, deep slumber throughout the night.

Rockwell Ultra Firm

The classic mattress handcrafted to fit your style.



Twin XL Set


Full Set


Queen Set


King Set


Cal. King Set
Select your size
SKU: Rockwell Ultra Firm Category: Tags: , , , , , ,
The foams used In Sealy mattresses are Cert/PUR-US' certified.

Related Foundations

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Additional information


King, Cal. King, Queen, Full, Twin XL, Twin


Build Your Bed Dream
Adjustable Base

Find the right adjustable base for you. We make it easy.

We have a large selection of pillows that will help you sleep better.
Mattress Protector
Protect your mattress from stains, liquids and when temperatures change.

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