BioPEDIC MemoryLOFT Deluxe 3-Inch Memory Foam/Fiber Bed Mattress Topper–Rejuvenate your old mattress or make you new mattress even better. This is not your ordinary topper! The BioPEDIC MemoryLOFT topper was designed to promote a better nights rest thru advanced sleep technology. The topside is 220 thread-count polyester with Nanotex Coolest Comfort treatment. The benefits to you are a mattress topper that is self-ventilating, and because it breathes, you'll maintain a more comfortable temperature as you sleep. Constructed with a special mix of our popular SensorFOAM memory foam and Sofloft polyester fiberfill creates a cluster that is designed to relieve pressure points, sleep cool, hold it’s shape and transform your current mattress into a comfortable and supportive sleep environment. Baffle box stitching creates pockets to insure the fill stays in place eliminating shifting and bunching. A 1.5-inch gusseted edge is added on all four sides so the topper maintains it’s square edges providing support across your whole mattress. Decorative and functional green cording is added to the gusset seams for additional strength. Anchor bands on all four corners easily secure the topper to your mattress and promotes better sheet fitment. Twin Extra Long size topper measures 39-by-80 inches and 3-inches thick for full mattress coverage.