

Barcelona® Lounge Chair
Knoll
Welcome to the throne of ergonomic royalty. The Aeron® Chair isn’t just a seat — it’s a revolution in comfort, sustainability, and iconic design. Born from the brainpower at Herman Miller and powered by human-centered innovation, this desk chair works as hard as you do. Crafted with the trailblazing 8Z Pellicle® suspension, this chair offers next-level breathability that keeps you cool when deadlines heat up. Meanwhile, the patented PostureFit SL™ back support helps you nail that perfect sit — chest open, shoulders back, pelvis forward — so you can forget the chair and focus on your genius. Every recline feels like a gentle nudge from the posture gods. Fully adjustable arms (yes, height, depth, and angle) make it yours down to the last detail. Whether you're 5’2” or 6’6”, choose from three ergonomic sizes to match your frame like a bespoke suit. So go ahead — lean back, sit forward, adjust away.
This is considered a made-to-order product, and is not eligible for returns. Learn more on our Returns & Exchanges page.
Constructed with a chassis and base made from either die-cast aluminum or polymer, available in matte, polished, or powder-coated finishes. Its seat and backrest feature the 8Z Pellicle elastomeric suspension, designed for breathability and balanced support. The chair includes either Adjustable PostureFit® SL hardware or basic lumbar support to promote proper spinal alignment. Arm pads are offered in non-upholstered or leather-upholstered options. Casters are available as multi-surface or braking multi-surface with quiet roll technology for smooth, noise-reduced movement. The chair also includes a tilt limiter or a tilt limiter with seat angle adjustment for enhanced ergonomic customization.
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