Alera Essentia Series Swivel Task Chair With Adjustable Arms, Supports Up To 275 Lb, 17.71" To 22.44" Seat Height, Black

Contoured seat and back provide comfort for long hours of sitting. Height-adjustable arms for comfort and support. Seat height adjusts to accommodate different user's comfort levels. Features back depth adjustment and rotates a full 360° in either direction for ease of motion. Black five-star base with casters.