Alera Ashdale Ergonomic Fabric Swivel Task Chair, Supports 275 lb, 18.15 to 21.89 Seat Height, Black Seat/Back, Silver BaseElevate your workspace with this fabric mesh task chair, delivering exceptional value and functionality. The built in lumbar support takes its cue from the natural curve of your spine, promoting your ergonomic comfort. The adjustable seat height, padded adjustable arms, and recline and tilt controls ensure an optimal position for maintaining proper posture and comfort throughout your workday. The contoured padded seat and the synchro tilt cable seat