OfficeSource | Our ergonomic mesh back task chair combines elegance and efficiency for optimal performance. It features a comfortable 4” padded mesh seat, an upright locking position, adjustable tilt tension control, pneumatic gas lift seat height adjustment, and padded loop arms covered with Black Caresoft Plus. The back is comprised of ribbed mesh and is appropriately curved for optimal lumbar support. The 27” base has a gun metal finish with black caps and rests atop five hooded double wheel casters.