Beautyrest 4-inch Sculpted Gel Memory Foam Mattress Topper with Polysilk Cover Queen Size Size: Queen ComforPedic Loft from Beautyrest revolutionary Memory Foam infused with cool, rejuvenating gel in a dual-sided design provides the ultimate supportive and comfortable sleep experience. Gel absorbs pressure and channels heat away, preventing excessive heat build-up that causes sleep disturbances.