Perforated Huge Mesh fabric XTwill and PU HD leather, inspired by sports car seats. The chair ensures the correct position of the back. The lumbar cushion guarantees proper spinal alignment with Free Air foam, combined with cold foam. The damage-resistant material allows for easy maintenance. The smooth and comfortable seat height adjustment is 120 mm. The SideRest function enables rocking. The SoftFlex mechanism allows for reclining the backrest. The metal frame provides a strong foundation for the entire chair, while the polyurethane rubber wheels do not scratch the floor.