Simmons Beautyrest Core 13 Inch Firm Mattress on a wooden bed frame in a modern bedroom lifestyle setting. Simmons Beautyrest Core 13 Inch Firm Mattress with a grey quilted cover for back and stomach sleepers. Close-up of Simmons Beautyrest Core firm mattress texture, ideal for back and stomach sleeper support. Simmons Beautyrest Core 13 Inch Firm Mattress and foundation set for stable, long-lasting sleep support. Interior layers of Simmons Beautyrest Core mattress featuring enhanced lumbar support and motion isolation.
Simmons Beautyrest Core Level One Firm 13 Inch Mattress
Ultra Soft Soft Medium Soft Medium Medium Firm Firm Extra Firm

Simmons Beautyrest Core Level One Firm 13 Inch Mattress

$699.00
$899.00
Save $200.00
Brand: beautyrest
Size
Best for Stomach sleepers
i Size Guide
$699.00
Only 15 left in stock
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10-Year Limited Warranty 10-Year Limited Warranty
100-Night Trial 100-Night Trial

The Simmons Beautyrest Core Level One Firm Mattress delivers Simmons' signature pocketed coil support paired with firm foam layering in a 13-inch tight-top hybrid build. Cloudy Mattress is an Authorized Beautyrest retailer, so every purchase is an Official Simmons Beautyrest product backed by the full manufacturer's warranty.

The feel sits firmly on the supportive end of the comfort scale, making this a confident 13 inch firm pocketed coil mattress for back and stomach sleepers. Because of this stable, no-sink response, it ranks among the best 13-inch firm mattresses for back pain options for sleepers who want structured support.

Inside, multiple engineered components work together, beginning with a tight top firm comfort foam layers quilted surface that delivers an even, supportive sleep experience. This Beautyrest Core Level 1 Firm uses Beautyrest® ActiveResponse™ Memory Foam to contour to the body while maintaining the firm overall feel.

Furthermore, the firm foam layering supports maximum spinal alignment support ideal for firm, tight top mattresses for back support seekers. Beneath the comfort foams, the Beautyrest Pocketed Coil system forms the supportive core, with individually wrapped coils that deliver responsive support.

This signature innerspring support system also provides zero motion transfer for couples, making it a strong choice for those sharing the bed. A high-density support base foam anchors the build, delivering edge-to-edge stability and a durable, long-lasting mattress build that holds up over time.

The mattress also features antimicrobial treatment to help guard against microbial degradation, supporting a fresher mattress surface season after season. At a generous 13-inch profile, this Beautyrest 13-inch firm mattress king-size option and other variants are fully adjustable-base compatible.

Together, these layers deliver restorative deep sleep comfort that Beautyrest has built its reputation on across generations of dependable sleep products. Additionally, the mattress is Made in the USA, backed by a 10-year limited manufacturer warranty, and built to Simmons' quality standards.

Firm, Supportive Feel

This 13-inch firm pocketed coil mattress delivers no-sink structural support ideal for back and stomach sleepers needing maximum spinal alignment support.

Beautyrest Pocketed Coil System

The signature Beautyrest Pocketed Coil system delivers individualized support with motion separation sleep surface performance for couples.

Contouring Memory Foam

Beautyrest® ActiveResponse™ Memory Foam contours to the body for targeted pressure relief at the shoulders, hips, and lower back.

Generous 13-Inch Profile

The substantial 13-inch profile mattress height provides deep layered support and a substantial hotel-quality feel at home.

Zero Motion Transfer

The pocketed coil construction delivers zero motion transfer for couples, so partner movement is far less noticeable through the night.

Antimicrobial Surface Treatment

Built-in antimicrobial treatment helps guard against microorganism degradation for a fresher mattress surface over time.

Certified Clean Foams

All foams are CertiPUR-US certified foam, made without mercury, lead, formaldehyde, or other prohibited substances for safer indoor air.

Key Mattress Benefits

Simmons Beautyrest Core Level One Firm 13 Inch Mattress

5 Layers
Of Cooling
Comfort

This tight-top mattress construction features a smooth quilted cover that delivers an even, consistent sleep surface across the entire mattress. The integrated design supports the mattress's firm, structured feel from the very top layer down.

This contouring foam layer is engineered specifically by Beautyrest to deliver pressure relief while supporting the firm overall feel of the mattress. As a result, sleepers benefit from cradled pressure points without the deep sink-in of a softer mattress.

The signature coil system features individually wrapped coils designed to deliver outstanding individualized support. Furthermore, the pocketed design reduces motion transfer between partners, supporting motion separation sleep surface performance throughout the night.

This high-density support base foam anchors the entire mattress build and reinforces the no-flip design. It helps maintain consistent shape, performance, and stability for years of dependable use.

A built-in antimicrobial treatment is applied to help guard against degradation from microorganisms and inhibit the growth of bacterial odors. This treatment is designed to support a fresher sleep environment, though it does not protect users against bacteria, viruses, or other disease organisms.

Simmons Beautyrest Core Level One Firm 13 Inch Mattress
Individualized Support 
+ Motion Separation

875 Density Pocketed Coil® Technology

Individualized Support 
+ Motion Separation

Designed to help you sleep soundly no matter what’s moving on the other side of the bed, 875 Density Pocketed Coil® Technology conforms to all distinct body shapes—providing our signature individualized support while separating their unique movements—so they can rest undisturbed, together.

Beautyrest® ActiveResponse™ Memory Foam

Contouring Pressure Relief

Innovated with Beautyrest® ActiveResponse™ Memory Foam, each mattress in the Beautyrest® Collection is designed to help alleviate aches and pains by contouring to your body to relieve pressure.

Contouring Pressure Relief
Surface-Level Cooling

InfiniCool® Technology

Surface-Level Cooling

A cool-to-the-touch sleep surface, designed to help move excess heat away from your body, helps promote a cool, comfortable sleep.

Simmons Beautyrest Core Level One Firm 13 Inch Mattress Simmons Beautyrest Core Level One Firm 13 Inch Mattress
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Designed for deep comfort and better rest, so you wake up refreshed and ready for the day

Yes, the Beautyrest Core Level One Firm is well-suited for back sleepers, and especially for those who prefer a firmer feel. The structured pocketed coil system, combined with firm foam layering, delivers stable support that helps keep the spine in healthy alignment through the night.

This particular Beautyrest Core Level One model sits on the firm side of the comfort scale, designed for sleepers who want substantial structural support without deep sink-in. It is generally suited for back sleepers, stomach sleepers, and combination sleepers who prefer a no-sink feel.

Beautyrest mattresses require proper support to maintain the warranty. The mattress can be placed on a Beautyrest foundation, an adjustable base, or a platform bed with proper slat support. Cloudy Mattress also offers an optional box spring with a metal foundation as an add-on at checkout.

Yes, the Beautyrest Core Level One Firm is an adjustable base compatible. You can pair it with your preferred adjustable foundation for personalized positioning, including elevating the head or foot of the bed for reading, watching TV, or zero-gravity rest.

The Core Level One focuses primarily on firm pocketed coil support and ActiveResponse Memory Foam comfort. Cool-to-the-touch and advanced cooling technologies in the Beautyrest lineup begin at Level 2 and increase across the higher-tier collections. If active cooling features are a top priority for you, the Level 2 and above models offer dedicated cooling surfaces and additional temperature-regulation technology.

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