This beautiful chair is as unique as it gets with its sculptured seat made from molded foam with perfect contours to fit the shape of your body. With its ratchet back height adjustment, this mid-back style chair provides excellent lumbar support. Commercial grade fabric has been used for its upholstery. The large 27-inch nylon base provides immense stability while the pneumatic gas lift provides instant height adjustment of the seat. Its adjustable armrests are one of its special features, which increases comfort.