Designed with cooling gel memory foam, this mattress seamlessly blends value and convenience with the durability and trusted comfort Serta is known for. This collection offers all-foam and hybrid designs with 3 zones for lower back support and breathable fabric, so you wake up refreshed. This Serta Mattress-in-a-Box collection delivers comfort at a value with convenient delivery—so you can rest easy night after night. Only available in select Serta models.