Positiv R600 High Back Black Office Chair (with 4D armrests)
Enhance your comfort and productivity with the Positiv R600 High Back Task Chair, presented in its most popular configuration for maximum support and adjustability. Featuring 4D armrests, a seat slide, and an inflatable lumbar air cell, this ergonomic chair is designed to adapt precisely to your body's needs. Its high, contoured backrest naturally follows the spine’s S-shape, encouraging healthy posture and providing consistent support across your back to keep you comfortable and focused throughout the day.
The Positiv R600 is packed with intuitive ergonomic features. The independent backrest angle adjustment lets you set the backrest exactly where you prefer, while the tension-controlled central tilt mechanism provides a smooth, responsive reclining action that adapts to your body weight. The ratchet backrest height adjustment ensures precise lumbar alignment, and clearly labelled controls make every adjustment quick and straightforward.
This most popular configuration further enhances comfort with a seat slide offering up to 50 mm of adjustment to support your thighs perfectly, an inflatable lumbar air cell for fully customisable lower back support, and 4D armrests.
Built for everyday use in both office and home environments, the Positiv R600 features a durable nylon base and robust upholstery to ensure long-lasting performance, supporting users up to 150 kg. Combining smart design, ergonomic excellence, and comfort, the Positiv R600 High Back Task Chair is a versatile solution that adapts seamlessly to your workday helping you sit better, work healthier, and stay supported all day long.
- Tension controlled central tilt mechanism
- Independent backrest angle adjustment
- High backrest with a contoured shape to support the natural S-shape of the spine
- Ratchet back height adjustment
- Clearly labelled adjustments
- Seat depth adjustment for maximum support under the thigh
- Inflatable lumbar air cell
- Height, width and depth adjustable armrests with rotational top
- Black nylon base
- Suitable for office and home environments
- Backrest length:
- 540 mm
- Backrest width (widest point):
- 450 mm
- Backrest adjustment:
- 545-635 mm
- Seat height (lowest):
- 490 mm
- Seat height (highest):
- 600 mm
- Seat pan width:
- 530 mm
- Seat pan length:
- 470 mm
- Seat pan (longest):
- 520 mm
- Seat pan (shortest):
- 470 mm
- Lumbar height:
- 165 mm
- Weight limit:
- 150 kg
- Seat tilt angle:
- 3° forward, 7° back
- Armrest (lowest):
- 190 mm
- Armrest (highest):
- 270 mm
- Armrest pad length:
- 240 mm
- Armrest pad width:
- 105 mm
- Armrest width adjustment:
- 510-550 mm
- Coccyx cut-out size (D x W):
- Not featured on this version
- Headrest/neckrest pad width:
- N/A
- Headrest/neckrest pad height:
- N/A
- Warranty:
- 5 years on structural parts
- 2 years on moving parts and fabric
- 1 year for 24 hour use









