Sia V4 Chair by NAU


Ash/Black powdercoatAsh/Black powdercoat
Walnut/Black powdercoatWalnut/Black powdercoat

Designed by Tom Fereday. Named after its unique adjustable rotating backrest, SIA, meaning movement, is a lightweight timber chair that is slender in design yet uncompromising in comfort.

Shaped from solid natural Walnut, or Ash the curved seat and articulated back is contrasted by a minimal black steel frame that supports the sculptural timber elements and allows for a convenient stackable design. 

Nau is a contemporary Australian design brand by a collective of Australia’s most curious, talented and spirited designers. Producing elegant design and timeless style.

Gold winner of the Good Design Award 2018. Shortlisted at INDE Awards 2018. 

Available in Walnut or Ash finish, in black powder coat frame.

The Sia V4 Chair measures: 48w x 52d x 78h/45sh cm.

Made offshore, comes with a 2 year warranty. Australian made version also available please enquire.

Additional Information

Ash/black powdercoat, Walnut/black powdercoat

Shipping & Delivery

Ships from: Australia.
Ships to: Worldwide.

Australian Shipping: HK Edit shipping rates are calculated at checkout for smaller items. We offer free shipping on all Bemboka items. All large and/or fragile items such as furniture, artworks and items such as rugs will be sent via the most appropriate shipping partner for each item based on the arrival destination and nature of the piece.

International Shipping: Calculated at checkout based on weight, destination and fragility. Delivery Timeframes for direct online items: 2-5 days to major Australian cities; 7-10 days to rural areas, WA and NT; 6+ business days to the rest of the world.

Delivery times for larger pieces, fragile and bespoke items: Times will vary depending on the carrier chosen and the destination. All bespoke furniture shipping is calculated from the completion date. We will be in direct contact with you throughout this entire process to keep you up to date on expected delivery times and costs.


We are pretty confident that you'll love your items but if you are not satisfied with your purchase, we are happy to process a refund for the as long as we are notified within 14 days of you receiving the goods subject to the conditions set out in our Returns Policy - please read here.