Each mattress uses the same base foam layers, but has different materials on features for each different level. Get performance ratings and pricing on the Sealy Response Performance Beech Street Eurotop Cushion Firm mattress. It comes in three distinct styles, Essentials, Performance, and Premium. Sealy manufactures four different lines of mattresses including the widely popular Cocoon By Sealy mattress - Read Reviews. Mattress Types. The Conform mattress is Sealy’s all-foam mattress. No one tests mattresses like we do. Moreover, there are different types of mattresses in each sub-line. Sealy's other lines include their Response (Innerspring), Conform (Memory Foam), and Hybrid lines.They even have conveniently packaged mattresses that make up their Sealy Mattress-in-a-Box line. The Sealy Response Performance Mattress has a 100-night trial and a 10-year warranty, and delivery is handled by the retailer where you purchase the mattress.