memory foam mattress stores near me in salairoad growell beds and furnitures trichy The mattress is constructed with a Bonnell spring system, which consists of hourglass-shaped steel coils interconnected with spiral wires. This design provides a sturdy support base with a firm feel. The springs offer responsive support by distributing weight evenly across the mattress surface. Orthopedic features are incorporated into the mattress design to promote proper spinal alignment and alleviate pressure points. These features may include targeted support zones, firmer sections in the middle to support the lumbar region, and reinforced edges for edge-to-edge support.