When you think of the quintessential office chair, chances are you picture Herman Miller's 'Aeron'. When it launched in 1994, it rejected the foam-and-fabric conventions of office seating in favour of advanced suspension technology. It was more than a chair, it was a serious piece of kit – the product of an experimental ethos that Herman Miller shared with figures like Charles and Ray Eames.
More than three decades after it changed office seating, the ‘Aeron’ is evolving again, this time to reflect a further shift in how we occupy our working environments. Today, the company has announced two new colourways, material innovations and expanded size inclusivity for its flagship ergonomic seat.
The ‘Aeron’ chair, also available to purchase in the UK, here
Since its debut, the 'Aeron' has been synonymous with neutral tones – 'Onyx', 'Graphite', 'Carbon', 'Mineral' – cool, professional looks calibrated to the offices of the 1990s. Colour on the original ‘Aeron’ was always limited; early versions applied pigment only to the Pellicle suspension mesh, leaving a jarring contrast with the neutral frame. Material advances now allow a single consistent tone across both frame and Pellicle – a seemingly small detail that makes a big difference.
Two new, bolder hues now join the line-up: 'Jasper', a warm, earthy olive that leans into the biophilic design trend sweeping modern workplaces, and 'Nightfall', a deep midnight blue. These tones reflect a looser, more informal relationship with work – a merging of lifestyle and office.
‘Our research suggests that strategic use of colour can have a powerful effect on workplace engagement and individual productivity,’ elaborates Joseph White, director of design strategy at MillerKnoll. ‘Saturated colours in cohesive environments have the capacity to change our respiration, our blood pressure and even our body temperature.’
The 'Aeron' has always been a material innovator. In 2021, it became the first chair in Herman Miller's portfolio to incorporate ocean-bound plastics. Now, the aluminium base has been redesigned using generative engineering tools, shedding nearly two pounds without sacrificing durability. Combined with increased use of post-industrial recycled content and bio-based nylons, these changes are estimated to reduce the chair's global average embodied carbon footprint by 12 percent. ‘By using the right materials, in the right amounts, in a product built to last, Aeron shows what circular design can achieve at scale,’ says Gabe Wing, MillerKnoll's vice president of sustainability.
The 'Aeron's' ergonomic credentials, meanwhile, remain firmly intact. A sci-fi-sounding roster of technologies – PostureFit SL, Harmonic 2 Tilt, 8Z Pellicle – work in concert to support the body. The chair has also been updated for greater size inclusivity.
With over nine million chairs sold and a replacement rate of just 0.055 per cent, the 'Aeron's' longevity may be its most telling quality indicator of all.
The updated chair makes its public debut at Fulton Market Design Days in Chicago, 8-10 June 2026. UK customers can purchase the 'Aeron' here.