OUR NEW 2025 FURNITURE CATALOGUE
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Sustainability
Made to order
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Boss Design Sia Office Chair Cloud Pattern Back
The New Boss Design Sia Eco Friendly Office chair
Sia is the latest task chair from Boss Design and is heavily focused not on on ergonomic comfort but also the environment.
Product Specific Information
100mm lumbar height adjustment
65mm seat depth adjustment
120mm seat height adjustment
Intuitive weight-balance mechanism with additional tension adjustment
Black Nylon five-star base with black castors as standard
Height adjustable arms
As standard, the Sia lumbar pad will be colour matched to the frame colour chosen (Black, Copper Brown, Reed Green and Oyster White).
Description
During the Sia chairs design process sustainability was key.
With the Sia Chair Boss managed to drive the plastic used in the structural parts of the chair down to just 20%. The remaining 80% is recycled plastic.
Sia Eco friendly chair uses fewer components than most task chairs and is assembled without the use of glue.
This makes replacing damaged parts more feasible extending Sia’s longevity while also making it easier to separate and reuse or recycle components at the end of its life cycle.
Sizing/Assembly & Warranty Information
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AssemblyFully Assembled
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Warranty5 Years
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Seat Height Range400mm - 510mm
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Maximum User Weight150KG
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Country of OriginUK
Delivery & Returns Information
Delivery
We have some chairs available for Next Working Day Delivery
Otherwise if the Item is ( In Stock ) We aim to deliver in 3-5 working days. (Unless otherwise stated) Mon – Fri 8am – 6pm
If the item is ( Made to Order) you can find the lead time under the Add to Basket Button (these are as accurate as possible)
Products showing PRE ORDER are items we have coming back in to stock and the dates are on the product pages. When you buy a pre order item it is reserved and when it arrives with us we ship it on to you please allow 3 working days after date shown for delivery.
If you have any special requests around delivery we are always happy to help eg a Specific day or time to suit.
Our standard delivery is FREE of CHARGE to the UK mainland.
* Excludes the Scottish highlands which is chargeable.
We also ship to NI, ROI and the Channel islands also Mainland Europe.
For more information, please visit our dedicated Delivery Information page.
Easy Returns
All items listed as in stock can be returned or exchanged easily. The item must be in the original packaging and in New Condition and unused! You have 14 days from the date the item was received. We can arrange the return for you.
Please advise of the order No, address and contact details in the email sent to logistics@officechairsuk.co.uk.
For more information, please visit our dedicated Returns, Exchange & Refunds page.
