The mesh backrest features a natural curve with excellent lower back support for improved ergonomics. The Pushback Single Locking Mechanism, pneumatic height adjustment, and Tilt tension control knob provide an ultimate ergonomic experience. • High-quality soft fabric upholstery with high abrasion resistance and superior tear strength & colourfastness. • Premium high-density moulded foam for comfortable seating. • Highly durable fixed armrests clearing test of 40,000 cycles.