Logic 400 Ergonomic Chair
The Logic 400 office chair offers excellent ergonomic features. With its multiple, precise adjustments and numerous options, it adapts perfectly to all body types.
The backrest of this chair is available in two sizes (medium and high) and features a tapered design that ensures complete freedom of movement for the arms while working. The upper part of the backrest is equipped with a Tvedt cushion, an innovative accessory that provides effective support between the shoulder blades, while the lower part features an adjustable lumbar support that relieves back strain.
Staying in a static position all day while sitting in an office chair often causes pain in the back, shoulders, or legs. Thanks to its off-center tilt mechanism, the Logic 400 ergonomic chair supports the user in all their movements. This allows the user to remain active even while seated, which facilitates breathing and blood circulation and ensures comfort and productivity.
The chair is a central component of the workstation, but there are other tools available to optimize its ergonomics and reduce the risk of developing musculoskeletal disorders (MSDs). To learn more, see our dedicated advice sheet: “Office Ergonomics: What Tools Should You Use to Prevent MSDs?”
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Key Features
Fits all body types
Multiple adjustment levels
Off-center tilt mechanism
Adjustable lumbar support
Numerous options available
Support
Gravity pulls us downward, so even when we’re sitting, pressure is exerted on our bodies. This pressure can be painful, on the one hand, and lead to musculoskeletal injuries, on the other. Support is therefore at the heart of our seating philosophy; our chairs provide comprehensive body support to distribute pressure over as large an area as possible, prevent localized pressure points, and keep the back in a natural position.
Settings
Seat height
Seat tilt
Seat depth
Backrest height
Backrest tilt
Mechanical tension
Lumbar support
Headrest height and tilt
4D armrests (height, depth, tilt, orientation)
Options
- Adjustable armrests
- Padded armrests
- Memory Foam Seat
- Coccyx Support
- XL Seat
- ESD (Electrostatic Discharge) Configuration
- Medium-sized folder
- Coat rack
- 24-Hour Reinforcement
- Upper Cylinder
| Standard Seat Height Adjustment | 41–53 cm |
|---|---|
| Seat Height Adjustment (Upper Cylinder) | 48–61 cm |
| Standard seat dimensions (W x D) | 46.5 x 47.5 cm |
| XL Seat Dimensions (W x D) | 48 x 51 cm |
| Seat Depth Adjustment | 44–52 cm |
| Medium-sized folder dimensions (H x W) | 51 x 44 cm |
| Dimensions of the high backrest (H x W) | 62 x 44 cm |
| Backrest Height Adjustment | 65–72.5 cm |
| Backrest Adjustment Mode | Continuous |
| Backrest Tilt Range | 17° |
| Lumbar Support Adjustment | 16–23.5 cm |
| Mechanics | Toggle |
| Seat Recline Adjustment (Forward/Backward) | +7° / -14° |
| Seat Tilt Range | 21° |
| Armrests | Yes |
| Armrest Height Adjustment | 21.5–29.5 cm |
| Armrest Height Range | 8 cm |
| Armrest Width Adjustment | 37.5–50.5 cm |
| Armrest Width | 13 cm |
| Headrest | Yes |
| Base Diameter | 66 cm |
| Caster Diameter | 6.5 cm |
| Maximum user weight | 150 kg |
| Seat Composition |
|
| Lumbar Support Adjustment | Yes |
| Folder size |
|
| Warranty | 10 years |
