The seat, backrest, and headrest are made of mesh, ensuring breathability and comfort. The chair’s frame is made of polished aluminum, providing strength and an aesthetic appearance. The chair has a flexible height-adjustable backrest with vertical force adjustment and fixation. Lumbar Support: Flexible lumbar support provides additional support to the lower back. The headrest is height and angle adjustable, ensuring neck support. The height of the backrest is adjustable in five positions using the up-down step-by-step system.The synchro mechanism allows for adjustment and locking in four positions, with the option to adjust two levels of counterforce intensity. The mechanisms are controlled by cables and are ergonomically positioned on the side of the seat. The seat depth adjustment mechanism allows for a slide range of 0–60 mm. 4D Armrests: The armrests are height-adjustable, with a soft-touch surface, and adjustable in length, width, and rotation up to 270°. The 60 mm diameter casters are universally suitable for all surfaces. CLASS 4 gas lift with increased durability. Polished aluminum base with a diameter of 700 mm. The chair has a weight capacity of up to 150 kg.