RankProduct NameScore
1Zinus Armita 9 Inch High Profile Smart Box Spring / Mattress Foundation / Strong Steel Structure / Easy Assembly Required, Cal KingZinus Armita 9 Inch High Profile Smart Box Spring / Mattress Foundation / Strong Steel Structure / Easy Assembly Required, Cal King
Zinus
9.7GET ON AMAZON
2Classic Brands Cool Gel 1.0 Ultimate Gel Memory Foam 14-Inch Mattress with BONUS 2 Pillows , California King, WhiteClassic Brands Cool Gel 1.0 Ultimate Gel Memory Foam 14-Inch Mattress with BONUS 2 Pillows , California King, White
Classic Brands
9.5GET ON AMAZON
3Classic Brands Mercer Pillow Top Cool Gel Memory Foam and Innerspring Hybrid 12-Inch Mattress , California King, WhiteClassic Brands Mercer Pillow Top Cool Gel Memory Foam and Innerspring Hybrid 12-Inch Mattress , California King, White
Classic Brands
9.2GET ON AMAZON
4Zinus Armita 5 Inch Low Profile Smart Box Spring / Mattress Foundation / Strong Steel Structure / Easy Assembly Required, Cal KingZinus Armita 5 Inch Low Profile Smart Box Spring / Mattress Foundation / Strong Steel Structure / Easy Assembly Required, Cal King
Zinus
9.1GET ON AMAZON
5Zinus Armita 7 Inch Smart Box Spring / Mattress Foundation / Strong Steel Structure / Easy Assembly Required, Cal KingZinus Armita 7 Inch Smart Box Spring / Mattress Foundation / Strong Steel Structure / Easy Assembly Required, Cal King
Zinus
9.0GET ON AMAZON
6Ashley Furniture Signature Design - 12 Inch Chime Express Memory Foam Mattress - Bed in a Box - California King - Firm Comfort Level - WhiteAshley Furniture Signature Design – 12 Inch Chime Express Memory Foam Mattress – Bed in a Box – California King – Firm Comfort Level – White
Ashley Furniture
8.9GET ON AMAZON
7BedStory 12 Inch Gel Hybrid Mattress California King, Luxury Spring Mattress Individually Encased Pocket Coil Mattress Built-in 2 Layers Airflow Airflow Foam Medium Firm Euro Top 10-Year WarrantyBedStory 12 Inch Gel Hybrid Mattress California King, Luxury Spring Mattress Individually Encased Pocket Coil Mattress Built-in 2 Layers Airflow Airflow Foam Medium Firm Euro Top 10-Year Warranty
BedStory
8.8GET ON AMAZON
8LUCID 12 Inch California King Hybrid Mattress - Bamboo Charcoal and Aloe Vera Infused Memory Foam - Motion Isolating Springs - CertiPUR-US CertifiedLUCID 12 Inch California King Hybrid Mattress – Bamboo Charcoal and Aloe Vera Infused Memory Foam – Motion Isolating Springs – CertiPUR-US Certified
LUCID
8.4GET ON AMAZON
9Ashley Furniture Signature Design - 12 Inch Chime Express Hybrid Innerspring - Firm Mattress - Bed in a Box - California King - WhiteAshley Furniture Signature Design – 12 Inch Chime Express Hybrid Innerspring – Firm Mattress – Bed in a Box – California King – White
Ashley Furniture
8.4GET ON AMAZON
10Olee Sleep 10 Inch Gel Infused Layer Top Memory Foam Mattress Blue, Cal KingOlee Sleep 10 Inch Gel Infused Layer Top Memory Foam Mattress Blue, Cal King
Grantec Co., Ltd
8.3GET ON AMAZON