Does this mattress work on an adjustable base, and does it need a box spring?

It is adjustable-base compatible and needs no box spring. The 1100 pocket coils flex with an adjustable base at the head and foot without damage, and any firm, flat surface works otherwise, including a platform bed or closely-spaced slats under 3 inches apart. At 13.5 inches tall, some owners noted it sits high, so a low-profile foundation can keep the overall bed height comfortable.

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