The Serta Perfect Sleeper Barbosa Sky Firm Mattress is a dream come true for those who crave a firm sleeping surface. This innerspring mattress features a double-sided sleep surface, offering twice the comfort and durability. The Cool Twist Gel Memory Foam, infused with cooling gel, helps regulate temperature and provides a cool, contouring comfort. A Gel Band Support provides extra support for your lower back and hips, while the Custom Support Coil System with its 825-coil density, ensures exceptional support and minimal motion transfer. The Serta Perfect Sleeper Barbosa Sky Firm Mattress is the perfect choice for a great night's sleep.