The Alexis Hybrid Mattress, from the Signature Collection, combines the precision support of Individually Wrapped Coils with the pressure relief and cooling comfort of Gel Infused Memory Foam, giving you the comfort you need for a good nights rest. Special features like a cooling cover, power edge coils for a firmer edge and pre-crushed foams to extend the new feel of the mattress longer make this a great value. A good mattress for a back sleeper.