This One-Sided, Euro Top Mattress is a great option for shoppers in search of a great value mattress constructed with side sleepers in mind. The No Turn design of this mattress relieves you from the hassle of periodically flipping your mattress and also gives you the benefit of having all comfort layers between you and the spring unit. Features include temperature sensitive slow recovery memory foam, 2 comfort layers, 1 support layer, and foam encasement for additional edge support. The San Marco King Euro Top Mattress and Box Spring by Corsicana