Medium 14-Inch Copper Cooling Hybrid California King Mattress

Experience Superior Comfort with the Diamond Mattress Nova Lux Copper Hybrid

Upgrade your sleep with the Diamond Mattress Nova Lux Copper Ultra Cooling Hybrid, designed for optimal pressure relief and medium firmness support. Featuring innovative copper-infused memory foam, this mattress actively regulates temperature by drawing excess heat away, ensuring a cool, comfortable night’s rest. The plush Euro-top enhances softness while the high-definition transition layer adds buoyancy and weightless comfort. Supported by 740 individually wrapped coils, it minimizes motion transfer so you and your partner can sleep undisturbed. Crafted from premium foam and spring materials with a cool-touch fabric cover that dissipates heat, this 14-inch (36 cm) California King mattress balances durability, breathability, and contouring support. Greenguard Gold certified for low emissions, it promotes a healthier bedroom environment. Elevate your rest with this expertly engineered mattress and wake refreshed every morning.

Key Features

• Copper-Infused Memory Foam: Regulates temperature for a cooler sleep experience.
• Cool-Touch Fabric Cover: Conductive yarns actively move heat away all night long.
• Hi-Definition Transition Layer: Provides a buoyant, weightless feel.
• Dynamic Edge Coils: 740 individually wrapped coils minimize motion transfer.
• Pressure-Relieving Hybrid Design: Combines foam softness with coil support.
• Medium Firmness: Balanced comfort providing support without sacrificing softness.
• Size: California King (84" L x 72" W x 14" H) for spacious sleep.
• Greenguard Gold Certified: Ensures low chemical emissions for healthier air quality.
• Foam and Spring Construction: Durable materials engineered for sustained comfort.
• Made in the USA: High-quality craftsmanship you can trust.

Specifications and Measurements Guide

Dimensions
Mattress Size: California King
Length: 84 inches (213 cm)
Width: 72 inches (183 cm)
Height: 14 inches (36 cm)

Weight
Weight: 146 pounds (66 kg)

Materials
Main Material: Foam and Spring
Cover Fabric: Cool-Touch Fabric with conductive yarns
Memory Foam: Copper infused for temperature regulation

Technology Features
Coil Count: 740 individually wrapped dynamic edge coils
Cool-Touch Fabric: Actively dissipates heat to maintain coolness
Copper Cool Memory Foam: Draws heat away, relieves pressure
Hi-Definition Transition Layer: Enhances weightless buoyant feel
Motion Isolation: Virtually eliminates motion transfer
Greenguard Gold Certified: Meets rigorous chemical emissions standards
Medium Feel: Balanced comfort and support for varied sleepers

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• 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.