Product Overview

The document presents the Marva swivel chair, designed by Mathias Seiler and manufactured by Girsberger. It is available with either an upholstered back or a mesh (Netweave) back. The chair combines a homely appearance with advanced ergonomic features, making it suitable for office environments.

Environmental Commitment

Girsberger has maintained a CO2-neutral production since 2015 and is committed to ongoing environmental improvements.

Design and Ergonomics

• Mechanism: Synchronous mechanism with automatic spring tension adjustment for dynamic sitting.
• Seat Tilt: Engageable negative seat tilt of –4° for upright posture support.
• Seat Depth Adjustment: Adjustable by 80 mm standard, with an optional 100 mm depth for mesh back versions.
• Backrest Height Adjustment: Adjustable by 80 mm.
• Armrests: Multiple options including 2D, 3D, and 4D T-shaped armrests with polyurethane or upholstered tops, and 2D ring-shaped armrests. Adjustability includes height, width, depth, and angle depending on the model.
• Lumbar Support: Height and depth adjustable lumbar support available for mesh back; depth adjustable lumbar support for upholstered back.
• Coat Hanger: Optional black coat hanger available for both upholstered and mesh back versions.

Base and Mobility Options

• 5-prong base options include black plastic, black aluminium, polished aluminium, and versions with foot rings in black or polished aluminium.
• Castor options for different floor types: hooded castors for soft or hard floors, hard castors for soft floors, and soft castors for hard floors.

Standards and Guarantees

• The Marva chair fully complies with the EN 1335 Type A standard for office swivel chairs, ensuring ergonomic and safety requirements.
• A 3-year guarantee is provided.

Materials and Finishes

The chair is available in various fabric and leather collections, detailed in the separate ‘Colours & Collections’ brochure. Mesh back versions use Comf Style mesh fabric.

Dimensions and Codes

Two main versions are offered: swivel chair with upholstered back and swivel chair with mesh back. Each has specific product codes (e.g., 4298, 4299 for mesh back; 4341, 4306 for upholstered back). Dimensions and adjustment ranges are provided, including seat height (400–480 mm), seat depth, and backrest height.

Manufacturing and Contact

Manufactured by Girsberger with locations in Switzerland, Austria, France, Germany, the Netherlands, and Turkey. Contact via [email protected] and website www.girsberger.com.

Summary of Critical Features

• Ergonomic synchronous mechanism with concealed technology.
• Multiple adjustment options for personalized comfort.
• Compliance with stringent European ergonomic standards.
• Wide range of base and armrest configurations.
• Environmental responsibility with CO2-neutral production.
• 3-year warranty ensuring product reliability.