Portone Smart High Back Office Chair | Black

by Okamura

£359.00 ex.VAT £430.80 inc.VAT

The union of style and comfort.

The pliable frame harmonises with your movement as the lumbar support comfortably contours the curves of your back.

A design born of Okamura's fascination with ergonomics.

Please note that we currently have Portone's in stock, allowing for speedy delivery (approx 10 working days) or collection. The chair is fully built and in the box.

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We aim to deliver within approximately 10 Working Days. Delivery/installation info

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  • 4D Adjustable Arms
  • Adjustable Seat Height
  • Adjustable Seat Depth
  • Lockable Reclining (in upright position only)
  • Seat Slider
  • Lumbar Support
  • Automatic Tension Adjustment

The Portone High Back Office Chair is manufactured for commercial office use.

Pliable Frame
The backrest flexes with the motion of your body. The bend comfortably accommodates natural side-to-side movement.

Adjustable Lumbar Support
The supple lumbar support fortifies your body's core, reinforcing a healthy posture.
The lumbar support easily adjusts to match your physical requirement. To adjust, simply grasp the lower ridge of the lumbar support and push up or down.

Adjustable Seat Height
Adjust the height of the seat by pulling up the lever under the seat on the right (range : 120mm).

Adjustable Seat Depth
Adjust the depth of the seat by operating the lever under the seat on the right (range : 55mm).

Adjustable Arms (4D Arms)
4D adjustable arms easily adjust up and down. 4D adjustable arms also twist inward and outward and slide forward, backward, right and left.

Headrest height can be adjusted by sliding up (range :50mm).

The chair automatically adjusts the reclining tension in to a sitters weight, regardless of each persons unique physical differences. The backrest can be locked and released by operating the lever under the seat on the right (4 levels fixed).

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Product specification


4D Adjustable Arms Easily Adjust Up and Down

Tension Adjustment



Included as Standard

Seat Slider

Included as Standard


Black Mesh Back

Frame Colour


Body / Seat Colour



Five Star Swivel

Base Colour

Black Nylon

Lumbar Support



660-699 mm


546-601 mm / 578-633 mm (with Headrest)


950-1070 mm / 1101-1280 mm (with Headrest)

Seat Depth

52 mm

Seat Height

120 mm


Commercial Office Use

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