Since the proliferation of the office chair in the mid-19th century, designers have been working hard to perfect this now ubiquitous furnishing. One of the greatest advancements both in terms of style and support is a double-layered cushion process known as sandwich mesh. Scope combines the comfort of this deftly constructed waterfall seat, with a broad and breathable mesh back, to provide much needed assistance for those long hours at the office. Topped off with a dual-tone nylon base, five dual-wheel hooded casters, pneumatic lift for height adjustment, locking tilt mechanism, and a 360 degree swivel, and you have an offering that continues in the great tradition of modern office chairs, now close to two-hundred years old.Foam padding, Five hooded dual-wheel castersTilt control with locking, Dual-tone nylon baseHeight adjustable, 360 degree swivelOverall Product Dimensions: 23.5"L x 25"W x 37.5 - 41.5"HSeat Dimensions: 20.5"L x 19"W x 17.5 - 21"HBackrest Dimensions: 1"L x 21.5"HArmrest Height: 7"HCushion Thickness: 3"H