Ergonomic Design ergonomic office chair is designed based on human body structure to meet various sitting posture requirements and provide a whole new sitting experience. With 2D headrest, 2D lumbar support, new linkage armrests, newly designed footrest, and ergonomic seat cushion, all these features convey the importance modern people attach to health concepts. is born for this purpose. 2D Ergonomic Lumbar SupportMade from soft and breathable fabric, the backrest reduces discomfort caused by heat and sweat. The newly defined 2D lumbar support offers both up and down, before and after adjustments, giving you a more fulfilling support experience. Unlike single-direction up and down adjustments, the added flexibility of before and after adjustments provides you with more options. Furthermore, we include a complimentary headrest to save you from any additional expenses.