Replaceable mattress comfort layer uses three ventilated Boost layers to dissipate heat and promote airflow, with a removable, washable cover. Foam adapts to your body and helps isolate motion.

Replaceable comfort layer engineered with three Boost layers and Air-X ventilation to disperse heat and improve airflow (Twin XL). Removable, washable cover with adaptive foam that helps isolate motion for uninterrupted sleep.