Casper Original 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.

This innovative and supportive Casper Original Hybrid Mattress features three layers of premium breathable foam that provide all-night comfort. Resilient springs help add a little lift, support and airflow to the cozy mattress.