The Jamison Autograph - Park Firm Mattress Set features a 1" Gel Infused Memory Foam layer and a 1" Luxury Foam layer offering superior support and comfort. Side sleepers prefer this medium firm mattress because it offers proper spine and neck support. Featuring mattress set features foam encased pocket coils in order to reduce motion transfer during the night. The gel memory foam surface provides greater breathability for a cooler and more comfortable sleep experience. Hypoallergenic and non-toxic, this mattress set is also backed by a ten-year non-prorated warranty for your security.