CORE The SPRINGBOX SYSTEM features individually wrapped 2.1" springs. Different comfort zones enhance all aspects of sleep. The HR foam's perimeter encapsulation ensures maximum stability and resistance, stabilizing the mattress core. FABRICS AND QUILTS High-density stretch fabric (550 g/m²) with elastane provides excellent elasticity and breathability. It is treated with antibacterial and anti-mite properties. Quilted using a state-of-the-art multi-needle machine. INTERIOR The perfect complement to the core is the interior material, which offers exceptional comfort and breathability thanks to a blend of natural and recycled materials. Made with Oxicore, Fibersoft, and natural fibers such as cotton and wool. FINISH Hand-sewn side handles.