Twin Extra Long-Size Serta Mattresses

A Serta twin XL mattress, measuring 39” by 80”, is a perfect mattress for a tall single sleeper. Thanks to the extra length, you'll have the room to stretch out while you sleep. With a high-quality and comfortable twin XL mattress, you will rest easy. With over 85 years of experience and innovation is the mattress business, Serta works hard to provide the best sleep money can buy.

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  • $624.99 - $949.99 $424.99 - $749.99
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