Perfect for single sleepers of any age, the Sealy Posturepedic Singles Avoca Firm Mattress - Long Single pairs premium materials with body-conforming technologies for a more supportive slumber. The Titanium AlignSupport System features intuitive coils that sense your weight and conform to your natural posture, while the cushioning foam and special Durabond Insulator layers cradle you in all-encompassing comfort.