A bed size that measures 74″x86″. This style is popular on the West coast of the United States. The additional size comes in the length creating a rectangular shape rather than the square shape of a standard king (Eastern King).
California King vs. King Size Bed Comparison
The 4 Best Reasons To Have a California King Bed
What Is a California King Size Mattress? – Myessentia.com
What Is The Difference Between a King Bed & California King Bed?
What Are The Measurements Of a California King Mattress, a King And a Queen? – Home Guides