Experience the trusted comfort of Serta with Serta® Classic®. Featuring a soft, breathable cover, PillowSoft® Aire foam, and an 800-density coil support system, this mattress helps you sleep comfortably and wake ready to ease into your day. With 3 zones for lower back support, plus a Gel Memory Foam upgrade for even more pressure relief, this mattress balances cool breathability with responsive support and pressure relief for a classically comfortable rest.