Normal Spring    Euro top Layers: Dolce Vita Special Foam is having better cell structure & extremely homogenous properties One layer of special super-soft foam is used in the Pillow Top comfort layer   Quilting Layers: Special DolceVita Quilting Foam Layers DolceVita Hollow Fiber Sheet Use Quilting design to increase the comfort level Comfort Layers: Dolce Vita Special Foam has a better cell structure & extremely homogenous properties the open-cell breathable structure of the polyurethane foam ensures perfect air circulation & ideal transport of moisture. Heat buildup is avoided, generating a pleasant climate for sleeping. One top layer of mattresses is firm to give extra support