Cooling Gel Swirled Memory Foam HELLO SLEEP - LET THE AIR FLOW, LITERALLY - The ups and downs and in-betweens of this specially engineered, cooling gel-infused topper promote airflow throughout its conforming memory foam layer to dissipate heat while providing superior softness and comfort A COOLING EMBRACE - This 1.5 inch layer is constructed with supportive memory foam swirled with cooling gel; fits under any standard or deep pocket fitted sheet