RELIABLE PERFORMANCE. Safco Vue Intensive-Use Task Chair features an ergonomic-shaped breathable mesh back with a height-adjustable swivel seat for maximum comfort for weights up to 500 lbs. ENHANCED DESIGN. Waterfall seat edge may help improve circulation by reducing pressure points in legs while seated. Adjustable height back tilts for ergonomic benefits while the breathable mesh keeps you cool and comfortable. HEIGHT ADJUSTABLE. Pneumatic lever provides easy height adjustment from 31" to 37" for a more comfortable, personalized fit.