Chime 12 Inch Hybrid Mattress

Enjoy endless possibilities for restful sleep with this hybrid innerspring California king mattress. Feel the support of a truly traditional coil mattress which contours to your body for a comforting feel. High density foam provides the firmness you love. Gel memory foam provides restorative support for your lower back. Plus, this mattress arrives in a box for quick and easy setup. Simply bring it to your room, remove the plastic wrap, and unroll. Foundation/box spring available, sold separately.

Comfort level: ultra plush
.75" high density gel memory foam lumbar support
1.5" high density super soft quilt foam
1" upholstery grade comfort support foam
Individual power packed wrapped coils
2 perimeter rows of 9" 13-gauge pocketed coils
10-year non-prorated warranty
Foundation/box spring available, sold separately
CertiPur-US certified, adjustable base compatible
State recycling fee may apply
Note: Purchasing mattress and foundation from two different brands may void warranty; check warranty for details
Mattress ships in a box; please allow 48 hours for your mattress to fully expand after opening

72.0" W x 83.5" D x 12.0" H

Weight: 102.0 lbs.

• Overall Size: 72.0" W x 83.5" D x 12.0" H
• Weight: 102.0 lbs.
• Coil System: 13-gauge pocketed coils (9-inch height)
• Warranty: 10-year non-prorated warranty

• Ultra Plush Comfort Profile: Expertly designed for sleepers who desire a soft, cloud-like surface while maintaining a high level of underlying support.
• Gel Memory Foam Lumbar Support: Features a high-density gel memory foam layer specifically positioned to provide restorative support for your lower back.
• Individual Power-Packed Wrapped Coils: Contours to your body’s unique shape, providing personalized support and reducing motion transfer for an undisturbed sleep.
• Superior Perimeter Support: Engineered with two perimeter rows of 9-inch, 13-gauge pocketed coils to create a firm edge, maximizing your usable sleeping surface.
• Multi-Layer Comfort System: Combines super-soft quilt foam with upholstery-grade support foam for a luxurious, multi-dimensional feel.
• CertiPUR-US® Certified Foams: Made without harmful chemicals, ensuring your sleep environment is safe, healthy, and high-performance.
• Adjustable Base Compatible: Modern construction allows this mattress to pair perfectly with traditional foundations or motorized power bases.
• Convenient Mattress-in-a-Box: Arrives compressed for easy delivery and setup; simply unroll and allow 48 hours for full expansion.

Free shipping on all orders*

We offer Free Ground Shipping on all eligible orders*

*Certain zip codes excluded. Extended Area Delivery Surcharges may be added to the order at checkout. Please be aware, this delivery surcharge is not refundable once the order ships. Please note that all delivery dates are estimates and actual delivery times may vary or be subject to change.

All orders are processed within 1-3 business days. Orders are not shipped or delivered on weekends or holidays. Shipping charges for your order will be calculated and displayed at checkout. Delivery times vary based on the shipping option selected.

Please visit our Shipping page for detailed Mid In Mod shipping policy.

Return / Refund Policy

Shop with Confidence – 30-Day ReturnsWe think you’ll love your Mid in Mod picks, but if something isn’t quite right, our 30-day return window has you covered. Please see our Shipping & Returns guide for more details.

Manufacturers Warranty

Things don’t always go as planned. In the unlikely event your item arrives damaged, please get in touch with us right away. Please inspect items before signing for the delivery. Please refuse delivery if there is significant visual damage to the outer packaging. Our standard manufacturer’s warranty covers defects in materials and workmanship for one year from the products’ date of delivery.

Q: What kind of mattress is the Chime 12-Inch Hybrid California King Mattress?
A: It’s a hybrid mattress that combines supportive innerspring coils with cushioning foam layers, designed to balance responsive support and comfortable contouring on a spacious California King base.

Q: How does the hybrid construction benefit sleep comfort?
A: The hybrid design blends the bounce and airflow of coils with the contouring comfort of foam, giving both support and pressure relief throughout the night.

Q: Who is this hybrid mattress best suited for?
A: It’s ideal for sleepers who want a mix of support and cushioning — especially back and combination sleepers — and for couples who appreciate reduced motion transfer.

Q: How does the California King size improve the sleep experience?
A: The California King size offers extra length and width, giving more space to stretch out comfortably, which is especially beneficial for taller individuals or couples.

Q: Does the hybrid mattress help with temperature regulation?
A: Yes, the coil layer encourages better airflow compared to all-foam mattresses, helping dissipate heat for a cooler sleeping surface.

Q: How does this mattress handle motion when sharing the bed?
A: The combination of individual coils and foam layers helps absorb and isolate movement, reducing disturbances when a partner shifts position.

Q: What type of feel can someone expect from this mattress?
A: It typically offers a balanced feel that’s supportive yet cushioned, making it comfortable for daily use without feeling overly firm or too soft.

Q: Why might someone choose a hybrid mattress over a traditional innerspring or memory foam model?
A: Hybrid mattresses often provide a good balance of support, airflow, and contouring, making them versatile for a wide range of sleep preferences and body types.