Breathable fabric mesh back computer task office chair with super cushioned mesh fabric seat. Aesthetically stylish for superior sitting experience for users up to 450 lbs. Integrated lumbar support encourages ideal back posture.An economical choice for mesh comfort. Designed for the petite user, but adjustable to fit all. alera chair, raynor ergohuman, mesh seat office chair, workpro chair, white mesh office chair, humanscale world chair.