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Herman Miller Cosm vs Steelcase Karman

A detailed side-by-side comparison scored on 11 objective criteria.

HMHerman Miller Cosm

Herman Miller Cosm

Ergonomic Office
24/55
$1,465-$2,095
WINNER
SKSteelcase Karman

Steelcase Karman

Ergonomic Office
26/55
$1,200-$1,500
Criteria
Herman Miller Cosm
Steelcase Karman
Total Score24/5526/55
Price Rating0/52/5*
Seat Depth Adjustability0/50/5
Height Range3/53/5
Lumbar Comfort2/52/5
Armrests2/54/5*
Upper Back Support2/52/5
Neck Support0/50/5
Breathability5/5*4/5
Material Quality3/53/5
Softness2/52/5
Warranty5/5*4/5
Pros
  • +Outstanding mesh breathability
  • +12-year Herman Miller warranty
  • +Auto-adjusting Intercept suspension
  • +Zero adjustments needed by design
  • +Full 4D armrest adjustability
  • +Excellent mesh breathability
  • +12-year Steelcase warranty
  • +Ultra-lightweight at 29 lbs
Cons
  • -No seat depth adjustment
  • -Very expensive
  • -No manual lumbar adjustment
  • -Limited armrest options (no 4D)
  • -No seat depth adjustment
  • -No headrest option
  • -Basic lumbar (optional extra cost)
  • -Firm mesh seat
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