OFM AirFlo Series Executive Task Chair - Ergonomic Work Chair, Blue (651-M10) MESH EXECUTIVE CHAIR: This contemporary office task chair conforms to your body with a mesh back for optimal air flow and all-day comfort DESK CHAIR: Support your lower back with this office chair's adjustable lumbar support and 3" thick padded fabric seat upholstered with stain-resistant fabric that cradles your body ADJUSTABLE WORK CHAIR: Customize your comfort with this home office chair's adjustable and locking knee tilt control and lock, 360 degree swivel and gas lift seat height adjustment CHAIR WITH ARMS: This ergonomic computer chair has height adjustable arms for upper body support DURABLE OFFICE FURNITURE: This heavy duty executive swivel chair has a 250 pound weight capacity, durable polypropylene backrest and sturdy 5 star 25" silver base for long-lasting use