The Serta 2 in. Feather and Down Fiber Top Featherbed Mattress Topper starts with a firm supportive base of small whole feathers and is topped off with super soft feather and down fiber. The top layer features baffle box construction so you'll know that the down is equally distributed throughout the bed. You'll sink into a deep slumber in this 2-inch high featherbed, to give you comfort from head to toe. This mattress topper is the perfect answer for a mattress that's getting a little worn or maybe even a memory foam mattress that may be getting a little too warm at night. With this fiber top mattress topper, you have found the perfect solution for a more restful night's sleep.