Zone pocket coil system is designed according to the human body shape to match different support needs in certain areas: head, neck shoulders, hip, back and legs. With the Zone Pocket Coil System ideal spinal alignment is achieved. Provides flexibility and additional reinforcement within the core ensuring appropriate posture support while preventing the mattress from sagging. Soy based bio foam offers improved durability, strength, and support over conventional foam cores. Based on natural renewable materials, soy foam provides a higher level of comfort.