Offering maximum comfort, support and functionality, this mid-back task chair gives larger users greater comfort without looking oversized, compared to other task chairs. The high-quality materials and customizable controls make it a smart solution for any application. Mesh back chair comfortably supports up to 450 lb. with normal use. Generous seating proportions and adjustable lumbar support provide exceptional comfort. Chair also features padded arms that adjust in height and width and a five-star wide base with smooth-rolling casters. Other functions include pneumatic seat-height adjustment, 360-degree swivel, tilt, tilt tension and tilt lock.