| King 16.75" Hybrid Mattress - Serta iComfortECO Q40HD Ultra Plush Pillow Top | 79.5 H x 76 W 16.75 D in Wayfair 500802833-1060 Featuring select materials that are up to 70% sustainable, the iComfortECO supportive mattress offers a hybrid construction with a smooth, memory foam feel—with upgrades available for even more cooling, comfort, and pressure relief. Mattress Size: King... more | | $3,599.00 $3,099.00 FREE shipping go to store |