Does this mattress work with an adjustable base or without a box spring?

Yes to both. The 1000 pocket coils flex with an adjustable base at the head and foot without damage, and one owner called the adjustable-base pairing the icing on the cake. No box spring is required; it needs only a firm, flat surface such as a platform bed or slats spaced under 3 inches apart. At 12.5 inches tall, it pairs neatly with most bed frames without sitting too high.

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