Comfort: Soft Spring base, Layering of polyurethane foams with different densities topped with high-resilience foam for long-lasting performance, Digital cutting of foams into specific shapes that create a rounded finish on the seat, Top layer finished with 300g polyester wadding. Modularity as desired, Removable and washable cover thanks to Velcro technique, Modules assembled with integrated metal clips, Complex filling for optimal comfort using professional pocketed springs.