This black mesh Big & Tall executive office chair was designed to meet your needs around the clock. Also known as multi-shift task chairs, a 24-hour office chair is designed for extended use or multiple-shift environments. The big and tall design also aids in accommodating larger and taller body types. This chair has been tested to hold a capacity of up to 500 lbs., offering a broader seat and back width. The chair offers support to the mid-to-upper back region. This chair features built-in lumbar support and a molded foam seat that dissipates pressure points for greater comfort. The waterfall front seat edge removes pressure from the lower legs. Chair easily swivels 360 degrees to get the maximum use of your workspace. The pneumatic adjustment on this chair offers a very smooth adjustment range to achieve your desired height. The heavy duty chrome base is constructed to keep up with the demands of an intensive use chair.