The Casper Original Hybrid Plush Mattress delivers deep pressure relief with a luxuriously cushioned feel for sleepers who enjoy a softer sleep surface. Combining advanced foam technology with Flex Coil Supportive Pocketed Springs, this hybrid design offers the comfort of contouring foam with the responsive support of individually pocketed coils. A QuickCool™ Cooling Mattress Cover promotes airflow while creating a cool, comfortable sleep surface. Beneath the cover, AirScape® Cooling Foam with Phase Change Material helps move heat away from the body to maintain a more comfortable sleeping temperature throughout the night. Zoned Support™ Pressure-Relieving Memory Foam features three ergonomic zones designed to provide targeted support while helping promote proper spinal alignment. The plush comfort layers gently cradle the shoulders and hips for enhanced pressure relief without sacrificing support. Flex Coil Supportive Pocketed Springs work independently to respond to movement while helping reduce motion transfer between sleep partners. The result is a hybrid mattress that combines plush comfort with balanced support for a deeply relaxing night's sleep.