Drift into peaceful slumber as your body is enveloped in supportive memory foam when resting on the iCOOL 1.5 in. Gel-Infused Memory Foam Mattress Topper from SensorPEDIC. This topper features open-cell, gel-infused memory foam that cradles the body's pressure points to offer supportive comfort throughout the night and is naturally hypoallergenic to help keep your sleeping area fresh. The built-in ventilated iCOOL Technology System enhances air flow and ensures optimal breathability in the topper's foam, fabric, and fabrication processes. The luxuriously smooth Nylon fabric cover is cool-to-the-touch to help reduce thermal buildup, while non-skid bottom fabric ensures this iCOOL topper stays in place atop your mattress. Simply remove the zippered cover and machine wash and dry for clean sleep night after night.