RH Logic 400 High Back (with 8S armrests/neckrest/coccyx cut-out) - Black
The RH Logic 400 is designed to bring lasting comfort, better posture, and improved focus to your home office. Inspired by Scandinavian design, it combines precision adjustability with durable build quality - perfect for long workdays, study sessions, or creative projects.
Its smart features include a high backrest, inflatable lumbar support, adjustable seat depth, fully adjustable neckrest (height, depth, and angle), and 8S armrests (height, depth, width, and rotation). This means you can fine-tune your chair to fit your body and working style perfectly.
By encouraging active sitting, the RH Logic 400 helps reduce fatigue and keeps you energised throughout the day. Whether you’re working from home full-time or balancing a hybrid routine, it offers dependable ergonomic support that promotes wellbeing and protects against musculoskeletal strain.
- Tension controlled knee tilt mechanism providing responsive movement whilst maintaining support
- Highly adjustable chair to accommodate a wide range of needs
- Independent backrest angle adjustment
- High backrest shaped to fit the contours of the back
- Inflatable lumbar air cell
- Seat depth adjustment for optimal support under thigh
- Armrests include height, depth, width adjustment with rotational top
- Seat benefits from a flexed front edge
- Neckrest offering height, depth and angle adjustment
- Uncovered coccyx cut-out seat
- Graphite aluminium base
- 10 year warranty with easy to replace parts for longevity
- Suitable for office environments
- Backrest length:
- 620 mm
- Backrest width (widest point):
- 447 mm
- Backrest adjustment:
- 604-683 mm
- Seat height (lowest):
- 410 mm
- Seat height (highest):
- 530 mm
- Seat pan width:
- 457 mm
- Seat pan length:
- 465 mm
- Seat pan (longest):
- 522 mm
- Seat pan (shortest):
- 394 mm
- Lumbar height:
- 170-255 mm
- Weight limit:
- 150 kg
- Seat tilt angle:
- 4.5° forward, 17.2° back
- Armrest (lowest):
- 200 mm
- Armrest (highest):
- 300 mm
- Armrest pad length:
- 210 mm
- Armrest pad width:
- 85 mm
- Armrest width adjustment:
- 375-535 mm
- Coccyx cut-out size (D x W):
- 190 x 80 mm, uncovered
- Headrest/neckrest pad width:
- 240 mm
- Headrest/neckrest pad height:
- 90 mm
- Warranty:
- 10 years
Supporting Documentation
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