Practical and adaptable for most office settings, mid-back office chairs are the logical choice for performing an array of tasks. A mid-back office chair offers support to the mid-to-upper back region. This chair is ideal for anyone who does a great deal of typing throughout the day and needs good back support. The perforated back offers a ventilated design. The back tilts to change the angle of your torso to reduce disc pressure. Chair easily swivels 360 degrees to get the maximum use of your workspace without strain. The pneumatic adjustment lever will allow you to easily adjust the seat to your desired height.