Casper Wave Hybrid Mattress, Twin XL - Gray

The comfort you expect from Serta now comes in our smallest carton ever. In the Serta Sheepless Night 9" Medium Gel Memory Foam Mattress-In-A-Box, a thick layer of cooling Serta Gel Memory Foam is placed atop the supportive Serta Foam Core to provide a cool, supportive mattress that keeps you right where you want to be – asleep.

The Casper Wave Hybrid Mattress offers support for your back so you stay asleep comfortably. Made with three layers of AirScape™ perforated, breathable foam, cool-to-the-touch gel keeps the mattress comfortable while providing back support.