Sealy Posturepedic Hybrid Majesty 13.5" Ultra Plush Mattress, King Mattress height: 13.5" Mattress type: hybrid with innerspring & foam OptiCool Gel Memory Foam with Outlast removes excess heat for optimal temperature balance and OptiPro Memory Foam conforms to your shape & weight Quilting layers: Aloft Quilt, Hypersoft and Convolute Hypersoft King Dimension: 76''x 80''