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Simmons® Beautyrest® Harmony Lux™ Carbon Series Wrapped Coil Extra Firm Split California King Mattress

Innovative design for a premium sleep experience. Beautyrest® Harmony Lux™ Carbon Series features our latest innovations in support, comfort, and cooling that work together in harmony for a better night’s sleep. 

Simmons® Beautyrest® Harmony Lux™ Carbon Series Wrapped Coil Extra Firm California King Mattress

Its new and innovative coil design and support system, advanced pressure relieving foams, uniquely engineered cooling technologies and exclusive sustainable fabric technology makes this collection the ultimate choice in premium bedding. Featuring our RightTemp™ Wave Foam, our Harmony Lux™ Carbon Series sleeps cool and comfortable all night.

Our Precision Support System™ powered by T2 Wrapped Coil™ Technology provides additional support where you need it most.

InfiniCool™ Lux provides a cool sleep environment and Seaqual™ Fabric Technology utilizes recovered plastics from the ocean to create a durable and luxurious fabric.

Beautyrest® Gel Memory Foam and RightTemp™ Wave Foam work together to create incredible pressure relief.

We use only CertiPUR-US® certified foams in all of our products, which means our foams are made without formaldehyde, flame retardants, prohibited phthalates, and heavy metals, as well as meet low-VOC standards for indoor air quality.

Your new Beautyrest® mattress will work with most frames, foundations, and adjustable bases. Your mattress needs a box spring, or other solid surface, or the frame should have included slats that are no more than 2 inches apart from one another.

*Mattress only, all other products sold separately. Images may not depict actual size.

Simmons® Beautyrest® Harmony Lux™ Diamond Series Wrapped Coil Pillow Top Plush California King Mattress

Beautyrest® Harmony Lux™ Diamond Series features our latest innovations in support, comfort, and cooling that work together in harmony for a better night’s sleep. Its new and innovative coil design and support system, advanced pressure-relieving foams, uniquely engineered cooling technologies, and exclusive sustainable fabric technology makes this collection the ultimate choice in premium bedding.

Simmons® Beautyrest® Harmony Lux™ Diamond Series Wrapped Coil Pillow Top Plush Split California King Mattress

Simmons® Beautyrest® Harmony Lux™ Diamond Series Wrapped Coil Tight Top Medium California King Mattress

Simmons® Beautyrest® Harmony Lux™ Diamond Series Wrapped Coil Tight Top Medium Split California King Mattress

Beautyrest® Harmony Lux™ Diamond Series features our latest innovations in support, comfort, and cooling that work together in harmony for a better night’s sleep. Its new and innovative coil design and support system, advanced pressure-relieving foams, un

Featuring our Micro Diamond™ Memory Foam, the Diamond Series is designed to conduct heat away from your body and keep you cool all night long.

SurfaceTouch™ Gel Memory Foam, Dynamic Response™ Memory Foam, and Micro Diamond™ Memory Foam work together to deliver incredible pressure relief.

California King

Simmons® Beautyrest® Harmony Lux™ Carbon Series Wrapped Coil Extra Firm Split California King Mattress

Simmons® Beautyrest® Harmony Lux™ Diamond Series Wrapped Coil Pillow Top Plush California King Mattress

Simmons® Beautyrest® Harmony Lux™ Diamond Series Wrapped Coil Tight Top Medium California King Mattress

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