EXTRA THICK SUPPORT - This is the first extra thick mattress topper from SLEEP ZONE. This topper is overfilled with 5D down alternative fiberfilling, plush and supportive,which helps to relieve back pain. This luxury thick mattress topper will save your old mattress and provide you a more relaxing and refreshing sleep experience BREATHABLE COMFORT - The surface faric is soft brushed microfiber, treated with Nanotex Coolest Comfort Tech, which accelerates the evaporation of moisture, and the embossing process enhances this feature. The premium spiral filling allows more air flow in the topper. With the good breathability, you won't have issues with overheating even though it's an extra thick topper EXQUISITE DESIGN - The diamond shape quilting keep the filling in place and it helps to distribute body pressure evenly. The raised four sides seem to wrap you in a warm and cozy nest, and you will feel like sleeping on the clouds. The white hemming makes this gray mattress topper more stylish and modern