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Topstar Sitness AirWork Office Chair, Black

Ref: 20.780.534
  • Ergonomic office chair with movable Sitness seat for active sitting

  • Breathable backrest ensures comfort throughout long working days

  • Synchronous mechanism supports healthy and dynamic sitting

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Active seating with maximum freedom of movement throughout the workday


The Topstar Sitness AirWork office chair is designed for users who prefer dynamic and ergonomic seating throughout the working day. The innovative Sitness® technology supports natural body movement even while seated, contributing to greater comfort and a more active way of working. The modern design is complemented by a breathable ergonomic backrest inspired by athletic styling.
At the core of the chair is a three-dimensionally movable seat featuring Sitness® technology combined with a synchronous mechanism that adapts to body weight. This combination encourages natural movement and ergonomic posture while working. The ergonomic mesh backrest and comfortable seat with knee support provide optimal support, while the backrest can be locked in four positions.


Product features:


  • Active office chair with Sitness® technology
  • Three-dimensionally movable seat supporting natural body movement
  • Synchronous mechanism with body weight adjustment
  • Backrest lockable in 4 positions
  • Ergonomic breathable mesh backrest
  • Seat with knee support for enhanced seating comfort
  • AGR certification – recommended for a healthy back
  • Made in Germany with a focus on recyclability of the materials used

High-quality workmanship, ergonomic design and support for active seating make this office chair an ideal solution for modern work environments with demanding requirements for comfort and healthy seating.

Brand :  TOPSTAR

Ergonomic Product :  No

Seat Colour :  Black

Maximum Recommended Usage Time :  8 hours

Maximum Seat Height :  560 mm

Adjustable Seat Height :  Yes

Maximum Load Capacity :  110 kg

GS certified by :  Intertek Fürth

Mandatory criteria

% Rate of packaging recyclability 100

Recyclable packaging Yes

% Rate of sustainable supplier assessment 65

Greenguard N/A

Air Label N/A

Europe Formaldehyde Emission Standards N/A

Ease of adjustment Yes

Stimulation of movement Yes

Adjustment to the user Yes

Prevents disorders and pain related to use Yes

Clarity of instructions Yes

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