Firm 12-Inch Copper Cooling Hybrid California King Mattress

Experience Superior Support and Cooling with the Diamond Matrix Hybrid Mattress

Designed for those seeking a firmer yet pressure-relieving sleep surface, this California King Hybrid Mattress offers unmatched comfort with advanced cooling technology. The copper-infused memory foam draws heat away from your body, helping regulate temperature throughout the night for a deeper, more refreshing rest. A high-definition transition layer delivers a buoyant, weightless feel while 740 individually wrapped Dynamic Edge coils minimize motion transfer—ideal for couples. Wrapped in a performance heat and moisture-wicking cover, the mattress keeps you dry and comfortable all night long. At 12.5 inches thick and weighing 126 pounds, this mattress combines durable polyurethane materials with Greenguard Gold certification to promote a healthier sleep environment. Crafted in the USA, it’s a perfect fusion of innovation and quality to support restful, restorative sleep. Elevate your bedroom comfort today with this cooling, supportive hybrid mattress.

Key Features

• Copper Cool Memory Foam: Regulates temperature by drawing heat away for uninterrupted sleep.
• Performance Heat & Moisture Wicking Fabric: Keeps skin dry by moving heat and moisture away.
• Hi-Definition Transition Layer: Provides a buoyant, weightless feel for enhanced comfort.
• Dynamic Edge Coils: 740 individually wrapped coils reduce motion transfer between sleepers.
• Firm Feel with Pressure Relief: Supports proper spinal alignment while relieving pressure points.
• Greenguard Gold Certified: Ensures low emissions for healthy indoor air quality.
• California King Size: Measures 84 x 72 x 12.5 inches for ample sleeping space.
• Durable Polyurethane Construction: Built to last with premium materials.
• Made in the USA: Quality craftsmanship you can trust.

Specifications and Measurements Guide

Dimensions
Size: California King
Assembled Length: 84 inches (213 cm)
Assembled Width: 72 inches (183 cm)
Assembled Height: 12.5 inches (32 cm)

Weight
Weight: 126 pounds (57 kg)

Materials
Main Material: Polyurethane
Cover Color: Black
Certifications: Greenguard Gold Certified
Origin: Made in the USA

Technology Features
Diamond Matrix Copper Cooling Technology
Performance Heat & Moisture Wicking Fabric
Copper Cool Memory Foam for temperature regulation
Hi-Definition Transition Layer for buoyant feel
Dynamic Edge Coils, 740 individually wrapped coils
Pressure Relieving Hybrid Waterfall-Top Design
Firm Feel Support Level
White Label Ready for brand customization

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.