Medium 12.5-Inch Copper Cooling Hybrid King Mattress

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

Sleep soundly on the Diamond Nina Copper Hybrid Mattress, engineered to provide a medium feel that perfectly balances softness and support. Featuring copper-infused memory foam, this mattress actively regulates temperature by drawing heat away from your body, ensuring a cooler, deeper sleep throughout the night. The hybrid design combines responsive foam layers with 740 individually wrapped coils for excellent motion isolation, so you won’t be disturbed by your partner’s movements. A plush Euro-top and hi-definition transition layer create a buoyant, weightless sensation while offering pressure relief where you need it most. Covered in a performance quilted, heat-wicking fabric, it helps keep moisture and heat away from the skin surface for all-night freshness. At 12.5 inches thick, this King-size mattress fits perfectly in your bedroom while providing durable comfort night after night. Elevate your sleep experience today with this Greenguard Gold Certified mattress made in the USA.

Key Features

• Copper-Infused Memory Foam: Regulates temperature for a cooler sleep.
• Hybrid Foam and Spring Construction: Combines pressure relief and supportive coil base.
• 740 Individually Wrapped Coils: Reduces motion transfer between sleepers.
• 12.5 Inches (32 cm) Thickness: Provides optimal medium firmness and cushioning.
• Performance Quilted Heat & Wicking Fabric: Moves heat and moisture away from the body.
• Hi-Definition Transition Layer: Enhances buoyancy and weightless comfort.
• Euro-Top Plush Layer: Adds luxurious softness without sacrificing support.
• Greenguard Gold Certified: Ensures low emissions for healthier indoor air quality.
• King Size: 80” L x 76” W, perfect for spacious bedrooms.
• Made in the USA: Crafted with quality standards and care.

Specifications and Measurements Guide

Dimensions
Assembled Length: 80 inches
Assembled Width: 76 inches
Assembled Height: 12.5 inches
Mattress Size: King (Standard King 76 x 80 in)

Weight
Weight: 130 pounds

Materials
Main Material: Foam and Spring
Cover Fabric: Performance Quilted Heat & Wicking Fabric
Memory Foam Type: Copper Cool Infused Memory Foam

Technology Features
Coil Count: 740 Individually Wrapped Dynamic Edge Coils
Transition Layer: Hi-Definition Transition Layer for buoyant feel
Motion Isolation: Excellent, reduces partner disturbance
Temperature Regulation: Copper-infused foam draws heat away
Certifications: Greenguard Gold Certified
Made In: USA
Comfort Level: Medium Feel
Comfort Top Style: Euro-Top 12.5 inch thickness

Color
Main Color: White

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