Office Chair
Birch

Office Chair for Goodtone Team

Birch is a high-performance flexible office chair with upgraded back comfort as its core. The designer uses the natural structural curves of the human body as the source of design inspiration, simulating the moving arcs of the human body's back and spine to present a linked double-back structure, which can easily handle the human body's forward, backward, side twisting and other movements, and can easily take care of a variety of usage scenarios.

Goodtone Team 2025 Enterprise Platinum Press Kit № 163625

Download Press Kit № 163625

Download Press Kit № 163625 Office Chair for Goodtone Team by Goodtone Team to access high-res images, essential texts, translations, and exclusive interviews—all in one.


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Birch by Goodtone Team
Birch by Goodtone Team

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Harness the clarity of this 1800-pixel image for your prints—perfectly sharp at 6 inches with 300 DPI and equally clear at 12 inches when adjusted to 150 DPI. Accredited press members can download high-res images free of watermarks. Alternatively, low-res images are instantly available. Acknowledgements for photographs are in the Image Credits Section.

Office Chair by Goodtone Team
Office Chair by Goodtone Team

Download 1800 Pixels JPEG Image.

Maximize the potential of this 1800-pixel image: at 300 DPI, it delivers exceptional detail up to 6 inches, while at 150 DPI, it offers clarity for prints up to 12 inches. Accredited press members can download high-res images free of watermarks. Alternatively, low-res images are instantly available. For photo credit information, refer to the Image Credits Section.

Goodtone Team Birch
Goodtone Team Birch

Download 1800 Pixels JPEG Image.

Maximize the potential of this 1800-pixel image: at 300 DPI, it delivers exceptional detail up to 6 inches, while at 150 DPI, it offers clarity for prints up to 12 inches. Download watermark-free, high-res images with your press credentials, or opt for an immediate low-res download. Please check the Image Credits Section for photo acknowledgements.

Goodtone Team Office Chair
Goodtone Team Office Chair

Download 1800 Pixels JPEG Image.

For precise, vibrant prints up to 6 inches, use this 1800-pixel image at 300 DPI. For larger visuals up to 12 inches, 150 DPI ensures the image remains clear and impactful. Accredited press members can download high-res images free of watermarks. Alternatively, low-res images are instantly available. Photo credits are listed in the Image Credits Section.

Goodtone TeamBrand Logo
Goodtone TeamBrand Logo

Download 1800 Pixels JPEG Image.

This 1800-pixel image adapts to your print needs: sharp and detailed at 6 inches with 300 DPI, it transitions smoothly to 12 inches at 150 DPI, preserving visual quality. High-res images, watermark-free, are yours with press accreditation; or grab a low-res copy now, no wait required. Acknowledgements for photographs are in the Image Credits Section.

Unique Properties

Birch is a high-performance flexible office chair with upgraded back comfort as its core. The designer uses the natural structural curves of the human body as the source of design inspiration, simulating the moving arcs of the human body's back and spine to present a linked double-back structure, which can easily handle the human body's forward, backward, side twisting and other movements, and can easily take care of a variety of usage scenarios.

Tags

Office Furniture, Office Chair, BIRCH, Double-back Support System

Production Technology

The integrated double-back flexible support system is the core of the Birch series. In view of the differences in individual waist physiological structures, Birch abandons the traditional structure of separated waist and back, and for the first time applies the innovative double-back linkage structure to create an integrated gliding support system, which effectively provides three-in-one support for the back, waist, and sacrum. The metal outer frame and the lightweight inner frame are equipped with dual mechanism functions of adaptive dynamic adjustment and back locking respectively. The lumbar support area can switch between dynamic and static states according to the user's sitting posture preferences, close to the body curve, relieve the pressure caused by sitting for a long time, and bring a relaxing experience close to "zero gravity".

Design Challenge

In terms of functional innovation, the Birch series simulates the active arc of the human back and spine to present a linked double-back structure, which can bear the body's forward leaning, backward leaning, side twisting and other movements, and can easily take care of a variety of usage scenarios. In terms of operational convenience, the function control keys are concentrated below the 3D armrest surface, which is more convenient and can be freely switched to different comfort states without bending over. In terms of appearance, the Birch series chair back support frame is made of one-piece aluminum alloy, which is light and strong. The side streamlines reflect the unique color, with a cool and high-end temperament. The full mesh material adds a sense of perspective beauty. The interweaving and collision of different elements convey the brand's unique aesthetic style in strength and elegance, fortitude and softness.

Project Duration

Birch was developed by Goodtone and ITO Design over a three-year period. The product appearance and functional structure design process was carried out in Germany, and the parts procurement and assembly process was completed in Goodtone‘s factory, Foshan, China. In March 2024, Birch made its first public appearance at CIFF, Guangzhou.

Operation Flow

Based on the BOCK core wire-controlled mechanism, Birch is not only equipped with seat height adjustment, seat cushion depth adjustment, three-level tilt angle locking, 3D armrests, but also quick tilt strength adjustment and chair back height adjustment. On the lower right side of the 3D armrest, the user can adjust the seat height by using the function key in coordination with the body's standing or sitting movements when in a normal sitting position. At the appropriate height, the user's feet should rest flat on the floor. When performing tasks or taking a short break, the user can lock the reclining angle of the chair back to maintain a fixed posture by using the function key on the lower left side of the 3D armrest. When users of different strengths exert different forces on the back of the chair, they can quickly control the resistance they feel when they lean back through the knob on the lower right side of the seat cushion. The lower left side of the seat cushion is equipped with a function key for adjusting the cushion forward and backward, allowing users of different heights to enjoy sufficient leg support.

Research

For the beginning, Goodtone hoped to create an ergonomic chair that focused on improving the flexibility and comfort of the chair back. Therefore, we have been cooperating with the ITO Design for three years. In response to the pain points of lumbar support, we proposed a double-back flexible support system. Through the dual mechanisms of adaptive dynamic adjustment and back locking, Birch can offer customized comfortable lumbar support for users. In appearance, the Birch double-back structure consists of a metal chair back outer frame and a conventional inner frame. With a slim line profile, the chair body shape has a more modern and technological feel. High performance, higher-level comfort and aesthetics complement each other to form the new Birch.

Inspiration

Starting from the first design draft, our goal was to break the impression of the traditional mesh chair with a separate waist and back by innovating the structural function of the chair back. We hope to ensure that the user's back is fully supported without affecting the high-end one-piece appearance and texture they expect.

Image Credits

Image #1-5: Photographer He Jiasheng

Project Overview

Birch Office Chair has been a Platinum winner in the Office Furniture Design award category in the year 2024 organized by the prestigious A' Design Award & Competition. The Platinum A' Design Award is recognized for honoring designs that stand at the forefront of creativity and innovation. It is the highest accolade bestowed by the A' Design Awards, acknowledging works that blend remarkable innovation with impactful societal contributions. These designs not only showcase exceptional artistic and technical proficiency but also highlight their creators' commitment to advancing the boundaries of art, science, design, and technology. Recipients of this award are celebrated for their role in shaping the aesthetics and trends of our time, contributing significantly to the enhancement of quality of life and promoting sustainable development.

 Award Logo
Platinum Recognition

Goodtone Team was recognized with the coveted Platinum A' Design Award in 2025, a testament to excellence of their work Birch Office Chair.

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Goodtone Team Newsroom

Explore Goodtone Team Newsroom to uncover award-winning design projects and more.

You are currently viewing Media Showcase № 163625. For a full overview of Goodtone Team's accomplishments and media resources, Goodtone Team's newsroom is the place to be, offering direct access to a range of materials. This is Press Kit / Media Showcase 163625 featuring the Birch. For more in-depth materials, see Newsroom 315798.

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