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California King Mattresses
The California king is the longest standard mattress size, measuring 72 inches wide by 84 inches long. That extra 4 inches of length — compared to a standard king's 76" × 80" — makes it a favorite for taller sleepers who want their feet fully on the bed. Because a Cal king trades width for length, it fits well in a longer, narrower bedroom (plan on a room of roughly 12' × 14'), and it takes California-king-specific sheets and bedding rather than standard king sizes.
At Mathis Home, you'll find California king mattresses across a range of comfort levels and constructions — memory foam, hybrid, and innerspring — so you can match the feel to how you sleep. Shop the full selection above, or narrow by comfort level and brand to find your fit.
Not sure whether a Cal king or a standard king is the better choice? Despite the common assumption, a standard king actually has slightly more total surface area (6,080 vs. 6,048 square inches) — the Cal king simply trades width for length. Our California king vs. king mattress guide breaks down the dimensions, room-size needs, and who each size is best for.