Interstuhl HEJ HJ21 ergonomic chair – Ref. HJ21
Mobility, comfort and ergonomic design made in Germany
The Interstuhl HEJ HJ21 ergonomic chair (Ref. HJ21) embodies Interstuhl’s philosophy of combining contemporary design, advanced ergonomic technology and German manufacturing quality.
Designed for demanding working environments – open spaces, individual offices, telecommuting – this model accompanies the user with flexibility, stability and dynamic comfort.
Breathable mesh backrest and lumbar support
The HEJ HJ21 impresses with its taut mesh backrest that hugs the shape of the back and provides continuous ventilation, preventing overheating during long working sessions.
This technical mesh offers precise lumbar support while remaining flexible, encouraging a natural and comfortable posture.
Fluid mechanism and synchronised movement
At the heart of the HEJ HJ21 is a synchronised mechanism, designed to synchronise the movements of the backrest and seat.
It allows a dynamic posture, ideal for alternating between phases of concentration and relaxation, while maintaining constant back support.
The tilt tension adjustment and lockable positions give users the freedom to customise the seat to their preferences.
Adaptable ergonomic seat
The HEJ HJ21’s seat, filled with high-density foam, distributes weight evenly and comfortably supports the thighs and pelvis.
Height adjustment (via gas spring) allows the seat position to be precisely adjusted in relation to the work surface, for a posture suited to each user.
Adjustable armrests and mobility
Adjustable armrests (2D or 3D depending on version) offer height, width and orientation adjustments, ensuring optimal forearm and shoulder support.
This helps to reduce muscular tension in the upper body and maintain a well-aligned posture.
The five-star base, in polyamide or polished aluminium, guarantees impeccable stability, while the self-braking double castors ensure smooth, silent mobility on all types of surface.
Sleek, adaptable and durable
The HEJ HJ21’s minimalist design allows it to blend elegantly into any working environment: executive offices, open spaces, coworking or home workstations.
Available in a range of mesh colours and seat fabrics, it can match the visual identity of a space without compromising its ergonomic performance.
Manufactured in Germany to Interstuhl’s high standards, the HJ21 is designed with sustainability in mind, using recyclable materials and responsible production processes.
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