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Herman Miller Cosm vs AndaSeat Kaiser 3 XL

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

WINNER
HMHerman Miller Cosm

Herman Miller Cosm

Ergonomic Office
24/55
$1,465-$2,095
AKAndaSeat Kaiser 3 XL

AndaSeat Kaiser 3 XL

Gaming
21/55
$450-$550
Criteria
Herman Miller Cosm
AndaSeat Kaiser 3 XL
Total Score24/5521/55
Price Rating0/53/5*
Seat Depth Adjustability0/51/5*
Height Range3/53/5
Lumbar Comfort2/53/5*
Armrests2/5*1/5
Upper Back Support2/52/5
Neck Support0/52/5*
Breathability5/5*1/5
Material Quality3/5*2/5
Softness2/5*1/5
Warranty5/5*2/5
Pros
  • +Outstanding mesh breathability
  • +12-year Herman Miller warranty
  • +Auto-adjusting Intercept suspension
  • +Zero adjustments needed by design
  • +Built for large users (up to 395 lbs)
  • +4-way adjustable lumbar support
  • +Reasonable price for size class
  • +Magnetic changeable armrest tops
Cons
  • -No seat depth adjustment
  • -Very expensive
  • -No manual lumbar adjustment
  • -Limited armrest options (no 4D)
  • -Very limited armrest adjustability
  • -Firm cushioning - not plush
  • -Poor breathability (PU leather)
  • -No seat depth adjustment
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