LiveBack flexor system in the backrest conforms to your body and moves with you to support the spine as you change postures Included Adjustable lumbar support dials in comfort for your lower back. Included headrest keeps your head and neck centered over the spine and shoulders which can be especially helpful for tall users, or anyone looking for additional posture support Black frame with 4-Way Adjustable Arms (height, width, pivot and depth) Weight-activated tilt mechanism responds automatically as you sit and move – with one additional tension setting to increase the resistance you feel as you recline and an upright back stop locking you in an upright position Ergonomic essentials for anyone, anywhere. Serious support meets a lighter aesthetic. Steelcase Series 1 delivers performance, style and choice with the quality you’ve come to expect from a Steelcase chair, all packed into a small footprint and an even smaller price. Steelcase Series 1 delivers on what's important-- performance, style and options. It retains the durability and comfortability of Steelcase, while making it affordable and attainable for everyone. Designed with a lightweight, slim profile for today's home office, Series 1 offers a quality of chair uncommon to this class of seating. Steelcase made an affordable chair without compromising ergonomics, comfort, and all day support. The Series 1 Chair offers multiple upholstered color options, and a wide range of shell and finish options that enable you to express your style in a way that represents you better than any old office chair ever could! For use at almost any desktop, this is truly a classic home office staple. Features: LiveBack flexor system in the backrest conforms to your body and moves with you to support the spine as you change postures, Adjustable lumbar support dials in comfort, Included headrest keeps your head and neck centered over the spine and shoulders and Weight-activated tilt mechanism responds automatically as you sit and move – with one additional tension setting to increase the resistance you feel as you recline and an upright back stop locking you in an upright position. Ships unassembled.