King Firm 13-Inch Cooling Hybrid Foam Mattress

Experience Firm Support and Cooling Comfort with the Restonic 13” Hybrid Mattress

Designed for those who value deep, restorative sleep, this 13-inch hybrid mattress combines firm support with advanced cooling technology. A breathable foam layered with Dual Cooling Technology featuring phase change materials actively regulates temperature, helping you stay cool and comfortable all night. The mattress’s steel coil system delivers targeted, durable support while reducing motion transfer, making it perfect for couples. The Marvelous Middle® center-third reinforcement enhances lumbar support by 25%, so you wake up refreshed and pain-free. Available in Twin, Full, Queen, and King sizes, its durable foam layers provide balance—offering pressure relief without sacrificing firmness. Crafted with breathable CoolFlow foams and a 360° SuperEdge design, this mattress maximizes your sleep surface and minimizes edge roll-off. Elevate your sleep experience today with a mattress engineered for lasting comfort and temperature control.

Key Features

• 13-Inch (33 cm) Hybrid Design: Combines foam and steel coils for firm, supportive comfort.
• Dual Cooling Technology: Phase change materials actively absorb and release heat to maintain ideal sleep temperature.
• HD CoolFlow Foam: High-density, breathable layer for superior pressure relief and enhanced airflow.
• Marvelous Middle® Reinforcement: Provides 25% more lumbar support for a healthier spine alignment.
• 700 Individually Wrapped Coils with 360° SuperEdge: Increases responsiveness and minimizes motion transfer.
• CoolFlow Plush and Medium Foam Layers: Balance cushioning comfort with firm support for restful sleep.
• Durable DuraLast Support Foam: Maintains mattress shape and resilience over time.
• Available Sizes: Twin, Full, Queen, King to fit any bedroom setup.
• Dimensions (King): 80 x 76 x 13 inches (203 x 193 x 33 cm), Weight: 110.6 lbs (50.2 kg).

Specifications and Measurements Guide

Dimensions
Length: 80 inches (203 cm)
Width: 76 inches (193 cm)
Height: 13 inches (33 cm)
Available Sizes: King

Weight
Weight: 110.6 pounds (50.2 kg)

Materials
Cover Color: Grey+Blue
Comfort Layer Material: HD CoolFlow Foam, CoolFlow Plush Foam, CoolFlow Medium Foam
Support Core: 700 Individually Wrapped Steel Coils with 360° SuperEdge
Support Foam: DuraLast Support Foam
Filler Material: Steel

Technology Features
Dual Cooling Technology with Phase Change Material for temperature regulation
HD CoolFlow Foam enhances breathability and pressure relief
CoolFlow Plush Foam promotes airflow and body cradling
CoolFlow Medium Foam balances contouring and support
Marvelous Middle® reinforced lumbar center-third support (+25% support)
700 Individually Wrapped Coil System improves responsiveness
360° SuperEdge perimeter prevents edge roll-off
Firm Support level engineered for restorative sleep
13-inch profile for durable comfort and support

Free Shipping on All Orders Across the Contiguous U.S.!

• Enjoy free, contactless delivery to your door with fast, reliable shipping across the contiguous U.S. on every order!
• We offer post shipping premium services with room of choice setup and disposal options. Premium service options are offered after adding the item to your cart and are a 3rd party post-delivery service Powered by Loadup. These services can be closely coordinated with your item being shipped for peace of mind and convenience.
• Note: We currently do not ship to Hawaii or Alaska
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Hassle-free returns! Not satisfied? Self-serve returns from your account portal, no hassle! Return most items* within 14 days of receipt for a refund or store credit. Learn more about our Dream Easy® Promise here

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* Massage chairs and adjustable bases are not eligible for return. Mattresses are exchange only.