Haworth Zody Chair wins with its patented PAL lumbar system, 4D arms, and support for perched positions with height-adjustable desks, plus GREENGUARD Gold certification. Ergohuman High Back Executive Chair provides solid synchro-tilt and 275 lb capacity but lacks the advanced customization and breathability. Haworth Zody is the stronger choice for modern ergonomic needs based on the provided sp...