Firm 12.5-Inch Copper Cooling Hybrid California King Mattress

Experience Cooling Comfort and Support with the Diamond Nina Copper Hybrid Mattress

Sleep soundly on the Diamond Nina Copper Cooling Hybrid Mattress, engineered for firm support and exceptional temperature regulation. Featuring a 12.5-inch (32 cm) Euro-top design, this mattress combines copper-infused memory foam and responsive coils to draw heat away and relieve pressure points, helping you rest deeper and wake refreshed. The dynamic edge coil system with 740 individually wrapped springs offers superior motion isolation, making it ideal for couples. Wrapped in a performance quilted fabric that wicks away moisture and heat, this California King mattress maintains a cool, dry sleep environment all night long. Greenguard Gold certified and crafted in the USA, it ensures quality and safety for a healthier sleep. Elevate your bedroom with this supportive, cooling hybrid mattress today.

Key Features

• Copper-Infused Memory Foam: Regulates temperature for a cooler night's sleep.
• Performance Quilted Heat & Wicking Fabric: Moves heat and moisture away from skin.
• Hi-Definition Transition Layer: Adds a buoyant, weightless feel for enhanced comfort.
• Dynamic Edge Coils: 740 individually wrapped springs minimize motion transfer.
• Firm Feel with Euro-Top: Provides balanced support without sacrificing softness.
• California King Size: Measures 84 × 72 × 12.5 inches (213 × 183 × 32 cm) for ample space.
• Greenguard Gold Certified: Ensures low chemical emissions for a healthier sleep environment.
• USA Made: Crafted domestically for quality assurance and durability.
• Foam and Spring Construction: Combines pressure relief with strong support.

Specifications and Measurements Guide

Dimensions
Length: 84 inches
Width: 72 inches
Height: 12.5 inches
Mattress Size: California King

Weight
Weight: 130 pounds

Materials
Main Material: Foam and Spring
Cover Fabric: Performance Quilted Heat & Wicking Fabric
Memory Foam Type: Copper Cool Memory Foam infused for temperature regulation

Technology Features
Coil Count: 740 Individually wrapped coils
Transition Layer: Hi-Definition Transition Layer for buoyant feel
Motion Isolation: Dynamic Edge Coils virtually eliminate motion transfer
Certifications: Greenguard Gold Certified for low emissions
Origin: Made in the USA
Firmness Level: Firm Feel
Base Compatibility: Adjustable bases recommended

Color
Primary Color: White

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• Note: We currently do not ship to Hawaii or Alaska
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* Massage chairs and adjustable bases are not eligible for return. Mattresses are exchange only.

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