Keystone Firm

The Keystone Firm mattress from the Southerland Signature Collection offers superior comfort and durability with a two-sided flippable design. Featuring a premium ThermoBalance Tencel quilted cover, it helps regulate temperature and enhance moisture-wicking. Two layers of ¾" firm comfort foam provide consistent support, while the 660 foam-encased pocketed coil unit offers responsive, individualized support for a restful night's sleep.

Adjustable bed compatible, this mattress is designed for flexibility and durability, backed by a 10-year manufacturer’s warranty. Proudly made in the USA, the Keystone Firm mattress delivers lasting comfort and value.