Fiber Armchair: Swivel Base with Castors & Gaslift + Recycled Shell
Fiber Armchair: Swivel Base with Castors & Gaslift + Recycled Shell

Muuto × Iskos-Berlin

Fiber Armchair: Swivel Base with Castors & Gaslift + Recycled Shell



Average lead time: 8 weeks


Equipped with a swivel base on rolling castors and gaslift to automatically raise or lower the seat, Fiber is more than up to the task in any home, workspace or educational setting. Design duo Iskos-Berlin fashion the armchair in an innovative plastic composite with 25% wood content that has a pleasingly textured matte surface and soft touch in a range of hues. The accompanying 5-star base comes in powder-coated shades of black, white and grey or polished aluminum.



  • 28.3" - 33.1" h x 27.6" w x 27.6" d (72-84x70x70cm)
  • Seat height: 16.5"- 21.3" (42-54cm)


Powder-coated or polished aluminum, plastic


Made in Poland



Muuto made its impact on the design world by living up to its namesake "muttos,” the Finnish word that alludes to looking at things with a new perspective. "We give the designers the freedom to create new designs,” says co-founder Peter Bonnén. By giving free rein to the brightest design talent in Sweden, Norway, Finland and Denmark, there’s the breathing room to conjure a new take on a chair, vase or a lamp. Expanding on that success, Muuto was subsequently acquired by legendary brand Knoll In 2017, though it continues to be run independently from the company's headquarters in Copenhagen.

Peter and co-founder Kristian Byrge, who originally trained in economics and management respectively, might not have seemed destined to helm a new-influencer design firm. But it was a shared passion for all things design and and the distinctive style they dubbed “New Nordic” that rapidly brought worldwide recognition. "It serves as proof that we have something special to offer the design industry," the partners say. "We're proud to be part of the Knoll family and can't wait to unfold Muuto's global potential further in close collaboration with them."



“One of the biggest challenges for a designer,” notes Boris Berlin of Iskos-Berlin, “is to create quiet objects that don’t intrude with their egocentricity, don’t compete with the surroundings or the architecture, but still carry a strong identity and are easy to recognize and remember.” With design partner Aleksej Iskos, the duo’s Copenhagen-based studio has gained international renown for its furniture, industrial and graphic design. Leningrad-born, Boris previously founded much-lauded Komplot Design, where Ukraine native Aleksej was employed as a longtime assistant. Collaborating with some of the world’s most prestigious manufacturers, Iskos-Berlin’s work has been featured in museums around the world and at both MoMA and the Danish Design Museum.

The partners say their aim is for a sharper and more precise take on design with an emphasis on delving into new technologies and materials. Likening their process to the art of storytelling, they admit that the narrative of a product may be complex but, in the end, the clearer the story is, the more likely people are to understand it. As to finding inspiration, Aleksej says it comes from everywhere. “From the beauty of nature in all its shapes, constructions and materials, to industrial processes,” he says.  &

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