Palermo King 25cm Gel Memory Foam Mattress - Dual-Layered - CertiPUR-US CertifiedDual layers of comfort mean a twice as nice sleeping experience on a Palermo mattress. Our new double layered design combines comfort and firmness in a durable mattress that will give you a better night's sleep. Revolutionary Design, Unmatched Comfort Our Palermo mattress design packs layers for both comfort and firmness into a 25 centimetre thick profile. We start with a 4. 3 centimetre thick layer of memory foam. Memory foam adjusts to fit the