High quality UK made ergonomic chair, compliant with DSE Health & Safety regulations, Upholstered memory foam seat with mesh back, Gas lift seat height adjustment, Adjustable seat height, 4-way adjustable arms, Adjustable sliding lumbar support, Heavy-duty synchronised seat slide/back tilt/tension control mechanism, 360° rotation and quality castors, Fire retardant materials and foam compliant with BS5852/5828/7176/CRIBBS & CMHR, vertically adjustable headrest (optional extra), 5 Year Warranty