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Herman Miller Cosm vs Branch Ergonomic Chair Pro

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
BEBranch Ergonomic Chair Pro

Branch Ergonomic Chair Pro

Ergonomic Office
31/55
$499
Criteria
Herman Miller Cosm
Branch Ergonomic Chair Pro
Total Score24/5531/55
Price Rating0/54/5*
Seat Depth Adjustability0/54/5*
Height Range3/53/5
Lumbar Comfort2/53/5*
Armrests2/55/5*
Upper Back Support2/52/5
Neck Support0/50/5
Breathability5/5*4/5
Material Quality3/5*2/5
Softness2/52/5
Warranty5/5*2/5
Pros
  • +Outstanding mesh breathability
  • +12-year Herman Miller warranty
  • +Auto-adjusting Intercept suspension
  • +Zero adjustments needed by design
  • +Best-in-class 5D armrest adjustability
  • +Excellent 3" seat depth range
  • +Good mesh breathability
  • +Great value with 14 adjustment points
Cons
  • -No seat depth adjustment
  • -Very expensive
  • -No manual lumbar adjustment
  • -Limited armrest options (no 4D)
  • -No headrest option
  • -Firm mesh seat
  • -Only 2-year warranty
  • -Basic material quality
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