OFFICE FACTOR Black Executive Computer Task Mesh Back Office Chair, Fully Adjustable Ventilated Mesh Chair, Ergonomic Breathable Office Chair with Knee Tilt Mechanism &ndash; 250 LBS Rated Attractive Office Chair: Your search for the most ergonomic, comfortable and attractive office chair has just ended. This mesh back chair from Office Factor is designed for modern offices with a contemporary dcor. The chairs sleek lines and elegant black color will fit in anywhere. Breathable Mesh Chair: The chair is covered in mesh fabric that allows proper circulation of air, keeping the body ventilated and perspiration free. The chair comes with an adjustable lumbar support which encourages proper posture and greater comfort. Fully Adjustable Task Chair: It can be adjusted to suit personal preferences. The back can be locked at multiple angles and comes with a knee tilt mechanism which ensures proper circulation in the legs and greater comfort. The arm rest can also be raised or lowered to your liking. Ergonomic Design: The chair is designed to fit the body like a glove, providing support in the right places to prevent muscle tension or stress, prevent bad posture and the problems associated with it. The chair ensures the most comfortable and stress free sitting experience. PU Castors & Heavyduty Base: The chair is equipped with heavy duty PU casters on a 5 star base for better mobility. With 360 degree swivel and a base that can take up to 250 LBS / 115 kgs, this is a chair that will change the look and productivity of your office.