Ref.: 918455 49
Designer office chair – Topstar mesh backrest
royal blue, with headrest
Seat colour
Ref.: 918455 49
Designer office chair – Topstar mesh backrest
royal blue, with headrest
royal blue, with headrest
Contoured seat
Deep and wide shell shape, in foam, within a plastic sub-shell with additional pelvic support.
Deep and wide shell shape, in foam, within a plastic sub-shell with additional pelvic support.
Synchronous mechanism
The back rest and seat move synchronously to one another. The counter pressure can be adjusted to individual body weight.
The back rest and seat move synchronously to one another. The counter pressure can be adjusted to individual body weight.
Seat colour
£562.80
Price / item (Incl. VAT)
Delivery time: Over 4 weeks
Good reasons to purchase products from us
- Guarantee of up to 15 years
- 30 day right of return
- Free delivery
- Efficient order processes for business customers
£562.80
Price / item (Incl. VAT)
£562.80
Price / item (Incl. VAT)
Delivery time: Over 4 weeks
Good reasons to purchase products from us
- Guarantee of up to 15 years
- 30 day right of return
- Free delivery
- Efficient order processes for business customers
Product description
- Recommended usage time/day: up to 8h
- Seat mechanism: synchronous mechanism
- Back rest with lumbar support
- Mesh backrest
- Easy-care seat cover
- Five-star base made of die-cast aluminium, painted in white aluminium RAL 9006
The Topstar design office chair combines an easy-care seat cover with a mesh backrest and various functions for daily use at the office workstation. The recommended usage time is up to 8 hours per day.
The backrest is equipped with an integrated lumbar support. A synchronous mechanism enables coordinated movement of the seat and backrest, thereby supporting movement while seated.
The five-star base is made of die-cast aluminium and is painted in white aluminium RAL 9006. As standard, the office chair is equipped with castors for soft floors. The easy-care seat cover and the mesh backrest complement the functional equipment.
The combination of synchronous mechanism, lumbar support and mesh backrest offers various functions for everyday office life. Together with the recommended usage time of up to 8 hours per day, the office chair is suitable for workstations where freedom of movement and functional seating features are required.
The backrest is equipped with an integrated lumbar support. A synchronous mechanism enables coordinated movement of the seat and backrest, thereby supporting movement while seated.
The five-star base is made of die-cast aluminium and is painted in white aluminium RAL 9006. As standard, the office chair is equipped with castors for soft floors. The easy-care seat cover and the mesh backrest complement the functional equipment.
The combination of synchronous mechanism, lumbar support and mesh backrest offers various functions for everyday office life. Together with the recommended usage time of up to 8 hours per day, the office chair is suitable for workstations where freedom of movement and functional seating features are required.
Your advantage
The optimum for dynamic sitting.
The optimum for dynamic sitting.
Supplied flat pack – easy self-assembly.
Technical data
| Model | mesh back rest |
|---|---|
| Fittings | lumbar support with head rest |
| Frame colour | white aluminium RAL 9006 |
| Frame material | cast aluminium |
| Seat mechanism | synchronous mechanism |
| Frame design | with castors |
| Seat height | 420 – 550 mm |
| Type of arm rests | without arm rests |
| Back rest height | 550 mm |
| Seat depth | 500 mm |
| Seat width | 480 mm |
| Shape of seat shell | contoured seat |
| Conforms to | EN 1335 parts 1 – 3 GS tested |
| Back rest height with head rest | 830 mm |
| Seat material | Softex, 80% cotton, 20% polyurethane |
| Design of castors | castors for soft floors |
| Max. load | 110 kg |
| Period of use/day | up to 8 hours |
| Product type | office swivel chairs |
| Supplied | assembled |
| Weight | 18.536 kg |
| Seat colour | royal blue |
| Pictorial instructions | |
| Manufacturer / EU responsible Person (GPSR) |
Sustainability
Sustainable product
This product actively contributes to protecting our environment and taking social responsibility. It meets our strict sustainability criteria and thus supports an economically, ecologically and socially viable future. The score asks the crucial question for every product: does this product contribute to creating sustainable and fair conditions for today and future generations? Below are the categories in which this product performs particularly well.
You can find out more about product evaluation and our sustainability initiative on our information page .
This product actively contributes to protecting our environment and taking social responsibility. It meets our strict sustainability criteria and thus supports an economically, ecologically and socially viable future. The score asks the crucial question for every product: does this product contribute to creating sustainable and fair conditions for today and future generations? Below are the categories in which this product performs particularly well.
You can find out more about product evaluation and our sustainability initiative on our information page .
Product CO₂ footprint
- LCA functional unit
- 1
- Recycled content in %?
- 0
- CO2 footprint year of calculation
- 2026
- LCA validity (in years)
- 1
- CO2 footprint calculation method product
- Calculated by our partner GlobalChanger (GreenZero) in accordance with ISO 14044 (LCA) / 14067 (PCF) (GWP100 [IPCC version]) principles.<br/>PCF values are product specific averages that have not been verified by third parties and may evolve as the data basis improves.
- CO2 footprint system boundaries
- Cradle-to-gate
PCF Lifecycle Breakdown
99.36kg CO₂e
| LCA Raw Material Extraction & Processing | 55% |
| LCA packaging production | 2.1% |
| LCA Product Manufacturing | 35.5% |
| LCA Inbound and Outbound Transportation | 7.4% |
Scoring System
More about our sustainability approach.
3.1/5.9Overall score
| Criteria | Weighting | Score |
|---|---|---|
| 30% | 2.5 | |
| 30% | 2.8 | |
| 25% | 2.2 | |
| 10% | 3.0 | |
| 5% | 3.9 |


