Beautyrest Pocketed Coil Technology helps provide conforming support and motion separation for undisturbed sleep. 800 Series Beautyrest^® Pocketed Coil^® Technology provides flexible support precisely where it is needed and isolates motion between two sleepers. Get cool, comfortable sleep with AirCool^® Foam which has a channeled design that allows airflow through the mattress. Beautyrest 800 Series also features DualCool^™ Technology is an antimicrobial performance layer that works to keep your mattress fresh and cool while moving heat and moisture away so you sleep at your ideal sleeping temperature.