Designed for multi-shift intensive use environments, 100% Olefin upholstery with stain resistant protection provides superior durability and comfort. Easily accomodating users up to 450 lbs., pneumatic seat height and back adjustments cater to every employee. Seat guide and 360 swivel offers additional comfort and flexibility. Synchro-tilt, tilt tension and tilt lock controls are fully adjustable for multiple users and individual comfort levels. Durable, high-impact polymer base extends chair life. Recommended Applications: General Office & Task; Seat/Back Color: Black; Features & Functions: Back Height Adjustment; Pneumatic Seat Height Adjustment; Seat Glide Mechanism; Synchronized Knee Tilt; Tilt Tension/Tilt Lock.