Ergonomic office chairs provide extremely important posture support in office or home-working environments, where days are often spent hunched over a computer or writing at a desk. The Ergo-Task Fully Loaded Mesh Office Chair with Posture Sprung Seat is an excellent seating option for extended use of up to 8 hours per day with its sculptured ergonomic mesh back. Adjustable-depth, pocket-sprung seat. Height-adjustable lumbar support pad and armrests. Height- and tilt- adjustable padded air mesh headrest. Sculptured mesh back. Available flat-packed or pre-assembled.