Medium 8-Inch Gel Memory Foam California King Mattress

Experience Restful Nights with the Diamond Greyson Cool Gel Memory Foam Mattress

Sink into personalized comfort with the Diamond Greyson All-Foam Cool Gel Memory Foam Mattress, featuring an 8-inch medium feel that balances support and plush softness. This California King mattress uses responsive gel memory foam to contour to your body shape and weight, providing pressure relief without that overly sunk-in sensation. The performance stretch fabric cover breathes and wicks away moisture to keep your sleep surface cool, dry, and comfortable throughout the night. A hi-definition transition layer adds buoyancy for enhanced comfort, while the high-density orthopedic support core ensures spinal alignment and lasting durability. Designed to promote a rejuvenating sleep experience, this Greenguard Gold Certified mattress helps reduce allergens and toxins. At 8 inches (20 cm) thick and weighing 116 pounds, it provides stable, premium support crafted in the USA. Elevate your sleep environment today and wake up refreshed every morning.

Key Features

• Cooling Gel Memory Foam: Conforms closely to body shape while regulating temperature.
• Performance Stretch Fabric: Breathable, moisture-wicking for a cool, dry surface.
• Hi-Definition Transition Layer: Adds weightless buoyancy and comfort.
• High-Density Orthopedic Support Core: Provides stable pressure relief and spinal alignment.
• Medium Feel Comfort: Balances softness with support for versatile sleep preferences.
• Greenguard Gold Certified: Ensures low emissions for a healthier indoor environment.
• Dimensions: 84 inches long x 72 inches wide x 8 inches high (213 x 183 x 20 cm).
• Weight: 116 pounds (53 kg) for durable, sturdy construction.
• California King Size: Ideal for spacious bedrooms and taller sleepers.
• Made in the USA: Crafted with quality materials and rigorous standards.

Specifications and Measurements Guide

Dimensions
Mattress Size: California King
Length: 84 inches (213 cm)
Width: 72 inches (183 cm)
Height: 8 inches (20 cm)

Weight
Weight: 116 pounds (53 kg)

Materials
Cover Material: Performance Stretch Fabric for breathability
Comfort Layer: Responsive Gel Memory Foam conforms to body shape
Transition Layer: Hi-Definition Foam for buoyant feel
Support Core: High Density Orthopedic Foam, CertiPUR-US certified
Construction: Foam+Spring hybrid

Technology Features
Cooling Technology: Gel-infused memory foam for temperature regulation
Moisture Wicking: Fabric wicks away moisture to keep surface dry
Conforming Support: Memory foam adapts to body weight and shape
Orthopedic Support: High-density foam for spine alignment
Certifications: Greenguard Gold Certified for low chemical emissions
Made in USA: Quality manufacturing standards
Medium Firmness: 8-foot medium feel for balanced comfort

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• 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.