Herman Miller Mirra Chair (Mirra 1)
Seating (Office Task Chair) · Contemporary / Modern (Late 20th to Early 21st Century) · Designed by Studio 7.5 for Herman Miller.

Type
Seating (Office Task Chair)
Style Period
Contemporary / Modern (Late 20th to Early 21st Century)
Material
Molded polymer plastic backrest and frame, breathable elastomeric fabric suspension mesh (Butterfly Back), die-cast aluminum base, polyurethane or molded foam armrest pads, and steel internal components.
Age Estimate
Circa 2003-2015 (Original Mirra generation before the introduction of the Mirra 2 in 2013).
Dimensions
Height: 38-42 inches, Width: 27 inches, Depth: 17-18 inches. Typical ergonomic task chair dimensions designed to fit the 5th to 95th percentile of users.
Origin
United States (manufactured by Herman Miller).
Designer/Maker
Designed by Studio 7.5 for Herman Miller.
Value Estimate
$300 - $600 USD (Secondary market value depending on specific condition, features, and local demand).
Description
The Herman Miller Mirra chair is an iconic milestone in ergonomic office seating, renowned for its instantly responsive design that mirrors the user's movements. Featuring a striking burnt orange Butterfly Back and a sturdy black polymer frame, this task chair balances high-performance ergonomics with bold aesthetic appeal. Its suspension mesh promotes continuous airflow, while the agile kinematic tilt mechanism provides effortless reclining. Ideal for modern workspaces, it represents a harmonious blend of human-centered engineering and striking contemporary design.
Key Features
Flexible polymer backrest with perforated pattern (Butterfly Back), kinematic tilt mechanism, intuitive adjustment paddles, and distinctive color-contrasting suspension mesh.
Color & Finish
Matte black structural frame and five-star base, paired with a vibrant burnt orange/terracotta colored mesh backrest and seat.
Construction Method
Industrial mass-production featuring injection-molded polymer components, precision-engineered mechanical assemblies, and modular snap-fit design for easy repair and recycling.
Joinery & Craftsmanship
Mechanical fasteners, high-strength bolts, and interlocking modular components assembled with industrial precision.
Wood Grain & Species
None (synthetic polymers and metals used exclusively).
Surface Treatment
Textured matte finishes on polymer surfaces and powder-coated or polished aluminum on the base to resist scratching and wear.
Upholstery Details
Breathable, high-performance elastomeric suspension mesh in lieu of traditional foam padding, offering continuous support and passive ventilation.
Hardware & Fittings
Adjustable black polymer armrests with multi-directional movement, integrated paddle-style pneumatic height adjustment levers, and smooth-rolling plastic casters.
Origin & Provenance
United States (manufactured by Herman Miller).
Condition Notes
Very Good. Structurally sound with fully functional mechanical adjustments. Minor surface scuffs on the plastic base consistent with normal office use, but the suspension fabric remains taut and undamaged.
Interesting Facts
Studio 7.5, the Berlin-based design studio behind the Mirra, spent years studying how people sit and move at desks, leading to the chair's revolutionary 'passive posture' features that reduce the need for manual levers.
Cultural Significance
A staple of modern corporate and home office culture, cementing Herman Miller's reputation as a leader in sustainable, ergonomic design innovation following the success of the Aeron chair.
Similar Pieces
Herman Miller Aeron Chair, Steelcase Leap, Herman Miller Mirra 2. Distinguished by its unique one-piece flexible backrest and distinct aesthetic cutouts.
Care & Maintenance
Clean mesh and plastic surfaces with a soft cloth dampened with mild soap and warm water. Avoid abrasive cleaners or harsh chemical solvents. Periodically check and tighten mechanical fasteners if necessary.
Value Estimate
$300 - $600 USD (Secondary market value depending on specific condition, features, and local demand).
Sustainability Notes
Designed for the environment, the Mirra is up to 42% recycled content and up to 96% recyclable at the end of its lifecycle. It holds GREENGUARD indoor air quality certifications and is MBDC Cradle to Cradle Certified.