3" Gel Memory Foam with Cooling Cover Hypoallergenic 3" Cooling Gel Memory Foam Mattress Topper with Removable Cooling CoverThe Sleep Philosophy 3" Gel Memory Foam Topper features a unique hole punch design to provide maximum airflow, that along with the cooling gel infused memory foam, providing the ultimate in sleeping comfort. Along with keeping you cooler, this topper helps to alleviate pressure points while the 2. 5 lb. density temperature control foam adjusts to your body temperature. Memory foam is also resistant to dust mites and is naturally antimicrobial. Our