Onyx 24 Hour Fabric Posture Office Chair

The Onyx chair is a fresh, contemporary office chair that offers a range of inspired features such as a multi-functional asynchronous mechanism with multiple adjustments and a contoured foam seat and back for extra support and comfort.

• Onyx is upholstered in Jet Black fabric and is available with or without headrest.
• It sports an extra high backrest carefully contoured for maximum ergonomic comfort and support.
• The backrest has ratchet height adjustability to ensure the lumbar support is positioned at the small of the back.
• Lumbar support via an inflatable airbag in the backrest can be adjusted to accommodate each user.
• Seat pad with sloping waterfall front, removes pressure on the back of the legs to improve circulation and posture.
• The seat slides in and out, adjusting the seat depth to fit to your body and legs. Perfect for taller sitters.
• Tip! Leave a three finger gap between the front of the seat and the back of your knees.
• Forward seat tilt reduces pressure on the lower back, ensures proper posture, and alleviates blood flow to the legs and feet.
• Reclining lock tilt mechanism is designed to keep the backrest in permanent contact with the body and is lockable in the upright position.
• Torsion control sets the backrest resistance supporting each user perfectly throughout the recline.
• Once the torsion is adjusted for your bodyweight, use the chair in free float mode for a more ergonomic experience.
• Height adjustable arms fit any user and provide forearm support helping to prevent RSI.
• Stylised angular aluminium five star base with twin wheel castors to allow freedom of movement.
• Gas assisted seat height adjusts the chair so the feet are planted firmly on the ground. Thighs should be angled slightly downward for optimum support.
• Tested for users up to 135kg and for use up to 24 hours a day.
• To give you confidence in this product, moving parts are guaranteed for 5 years and upholstery for 2 years. This excludes fair wear and tear.