Herman Miller Cosm Mid Back Office Chair

Cosm Mid

Adaptable and sleek, the Cosm Mid-Back Chair provides complete scapular support and stabilization. Also available in high and low back options, the Cosm Chair Group delivers instant support and stability no matter the user. Built with the Auto-Harmonic Tilt, this chair mimics your movements and posture to provide natural balance. The ergonomic one-piece seat and back adds a stylish touch, while the breathable material allows for complete comfort for long term use.

Unit price


  • Mid Back
  • Auto-Harmonic Tilt
  • Intercept Suspension Material
  • Flexible Frame
  • AFRDI Approved Level 6 
  • Arm Options: Leaf Arms, Adjustable Arms, Fixed Arms, No Arms
  • Multiple Colours Available
  • Chair Depth: 678mm
  • Chair Width: 678mm-744mm
  • Chair Height: 980mm-1140mm


AFRDI Approved Level 6 Level 3 Certified Indoor Advantage Gold Certified Warranty
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