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Okamura · Office Chairs

Okamura Portone

Okamura · Portone

C-suite and private offices.

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  • 10 / 5 / 2-year warranty
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Summary

An Okamura mesh task chair whose flexible back frame bends with you as you move.

Best for

  • People who shift side to side; the back frame flexes with them.
  • Choosing a high back with or without a headrest.
  • Users up to 275 lb (124 kg), Okamura's tested weight.

Good to check first

  • Check that it is sold in your region; Okamura lists Asia Pacific, Latin America and the Middle East and Africa.
  • Sizes vary by region and model, so ask your dealer for the spec guide.
  • The headrest is an option; add it when you order.

The trade-off

A flexible back and adjustable lumbar, with sizes and sales that vary by region.

Value check

Okamura sells it through dealers and does not publish a price; ask for a quote.

Price
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Warranty
10 / 5 / 2 years

What Okamura highlights

  • Pliable frame

    The backrest frame flexes as your body moves. Okamura says the bend makes room for natural side-to-side movement.

  • Adjustable lumbar support

    Grasp the lower ridge of the lumbar support and push it up or down to set its height.

  • 3D arms and headrest

    The arm pads adjust up and down, in angle and back and forth; an armless version is offered. The optional headrest slides up for height.

As described by Okamura on its official pages; not a Chairpedia assessment.

Before you buy

Fit (official)

  • Designed and tested for users up to 275 lb (124 kg), to BIFMA X5.1.
  • High back, with or without headrest.

Delivery and setup

  • Warranty (global terms, authorised dealers): 10 years on the structure, mechanisms and adjustable arms.
  • 5 years on casters, gas cylinder and levers; 2 years on mesh, fabric, cushions and arm pads.

Sources: Okamura, Portone ↗ (checked Oct 12, 2026) · Okamura, Global general warranty ↗ (checked Oct 12, 2026)

Check price at Okamura

Versions and options

  • Headrest option

Specs

Size and fit
Load capacity
275 lb (124 kg (also stated by the brand))
Adjustments
Recline
Pliable Frame: the backrest flexes with the motion of your body
Arms
3D Adjustable Arms ([1D] Up and Down, [2D] Angle, [3D] Back and Forth) or Without Armrest
Lumbar support
Adjustable Lumbar Support (push up or down)
Headrest
Headrest (Option), height adjustable by sliding
Build and warranty
Warranty
10 years structural components (incl. operating mechanisms and adjustable arms); 5 years casters, gas cylinder, adjustment levers; 2 years coating, mesh & fabric, cushions, arm-pads

About Okamura

Founded
October 1945
Based in
Yokohama, Japan
Production
Eight production bases in Japan

Okamura was founded in 1945 by a group of former aircraft engineers working as a cooperative. It began with everyday metal goods before moving into steel office furniture.

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Questions

What is the Okamura Portone's weight capacity?

It is rated for 275 lb (124 kg (also stated by the brand)) in All Portone models; BIFMA X5.1, according to Okamura's official specifications.

Does the Okamura Portone have a headrest?

Yes, as an option. Okamura sells the Portone with or without a headrest.

Where can I buy the Okamura Portone?

You can buy it from the Okamura official site. Check the configuration, price and return terms before ordering.

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Where to buy

Not sold on Amazon US. Buy through the brand or its authorized dealers — check availability and price in your country. Some links are affiliate links; Chairpedia may earn a commission at no extra cost to you (disclosure).

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Specs and prices come from the brand sources listed under Specs and next to the price; User Insights link to their originals. Confirm the exact configuration, seller and price before buying. Editorial policy

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