Omaha ENQUIRE Quick Delivery 5 Year Warranty View in Catalogue Upsized Performance Strong and robust, Omaha offers upsized performance with a certified weight rating of 160kg. Its stand-out features include extra thick high density moulded foam seat padding, ergonomic contoured back, automatic tension control and a heavy duty steel base. Add to this, height adjustable arms with silicone gel armrests and easy to access controls allowing for a multitude of individually tailored seating adjustments and the result is an exceptional chair that can cope with a variety of work environments. Certified 160kg weight rating Extra thick high density moulded foam seat padding Height adjustable arms Tension adjustment control Height adjustable lumbar support Silicone gel armrests Heavy duty steel base