Modern 250 lbs Black Nylon Mesh Office Ergonomic Chair, Adjustable Seat Height Office Chair with Head Support

feature

Adjustable seat height pneumatic/one-button

Adjustable tilt tension: yes

Tilt lock: Yes

Adjustable headrest: yes, height and angle

Adjustable tilt angle: yes

Lumbar support: Yes

Waterfall cushion: Yes

Adjustable arm height: yes

Adjustable arm width: none

Need to assemble: yes

Conforms to ANSI/BIFMA standards: Yes

Weight capacity test is 250 lbs