B8-306BK Boss Medium Back Chair Black

Our deluxe posture chair is perfect for anyone who requires an ergonomic design coupled with integrated lumbar support. It features a distinctly classic appearance and can be personalized to the user’s taste thanks to its pneumatic gas lift seat height adjustment. There is a built-in tilt tension that provides precise control over weight distribution, as well as an upright locking position. 

• Upholstered in Black Crepe fabric 
• Passive ergonomic seating with built in lumbar support 
• Upright locking position
• Pneumatic gas lift seat height adjustment 
• Adjustable tilt tension 
• Large 27" nylon base for greater stability
• Hooded double wheel casters
• Arm Height: 25"-28.5" H
• Seat Size: 20" W x 19" D
• Seat Height: 18"-21.5" H
• Overall Size: 27" W x 27" D x 40.5"-44" H 
• Weight Capacity: 275 lbs
• Seat Slider: No

Assembly Instructions: B8306 chair assembly instructions

Assembly Video: https://www.youtube.com/watch?v=_KFdB3pqmMo