The Serta Perfect Sleeper® Knollcrest Plush Super Pillowtop is one of the softer and more luxurious feeling Serta mattresses at Sam''s Club. The Knollcrest model features a rich layer of Serta''s Next Generation Latex foam - a hypoallergenic, breathable and resilient foam that responds instantly to the body for superior pressure relief. It also features Serta''s exclusive Cool Balance™ Fabric Technology in the cover to help maintain a comfortable sleep surface temperature throughout the night. This mattress is recommended for those who prefer the additional upholstery layer and a luxuriously soft feel.
The Knollcrest Plush Super Pillowtop mattress features Serta''s exclusive Advanced Comfort Quilt® to help reduce tossing and turning and the Continuous Support® Innerspring for proper spinal support throughout the night. This mattress also features Foam Encasement for enhanced edge support and an extended sleep surface.
Serta Perfect Sleeper Knollcrest mattress was designed with input from the National Sleep Foundation, an independent nonprofit organization dedicated to improving public health and safety by achieving understanding of sleep and sleep disorders, and by supporting sleep-related education, research, and advocacy.