Ergonomic, sleek design of the Strata Mid Back Task Chair makes it a great choice for managerial and executive applications. Adjustable lumbar support provides comfortable, all-day seating. Black arms adjust in both depth and height. Sculpted back with breathable mesh, molded foam seat in fabric and heavy-duty, synchro-tilt control make Strata the perfect chair for superior, long-term comfort. Synchro-tilt control features a smooth and comfortable, 2:1 back-to-seat ratio. Four-position, multi-locking back offers built-in safety return. Other functions include 360-degree swivel, slide knob-tension adjustment and pneumatic seat-height adjustment from 17" to 21-1/2". Sleek lines with rounded corners give a contemporary look to a classic silhouette, making Strata inherently versatile and effortless. Weight capacity is 300 lb.