When you need a rejuvenating break at the end of a long day, an extra firm king mattress delivers. This sleep surface is ideal for those who prefer the feeling of support rather than cushioning. Most commonly preferred by back and stomach sleepers, some side sleepers find extra firm king mattresses comfortable as well.

There are many benefits to extra firm king mattresses. Getting too warm during the night? An extra firm king mattress may also keep you cooler and more relaxed. Are your partner's movements waking you up? Individually encased springs help reduce motion transfer for undisturbed sleep. Find that softer mattresses sink or sag too much on you? An extra firm mattress can give you the comfort you desire. Shop our entire selection of extra firm king mattresses to find the best fit for you.