Ergonomic Drafting Chair and Super Comfortable: This design of the backrest fits the shape of the human spine with 2' up and down adjustable lumbar support. Tall office chair will give your back extra support. Thick padded and high resilience sponge seat also can relieve the hip pressure to offer you much comfort Tall Office Drafting Chair: This high rotary drawing chair has a footrest stool with adjustable height, and the 90 degree overturned armrest design can save a certain amount of space, which is very suitable for standing desks, sitting desks and bars. Our tall office drafting chair is equipped with a round foot ring, which can help you move your feet more frequently, reduce the pressure on the back of your legs and improve comfort Adjustable Lumbar Support Drafting Chair: Ergonomic tall desk chair has a minimalist back design with an adjustable waist support for personalized comfort and protection, reducing back pain during extended use.