Haworth Zody Chair leads with its patented PAL lumbar, 4D arms, and GREENGUARD Gold certification while supporting perched use with height-adjustable desks. Autonomous Ergochair 2 offers a 350 lb capacity and $349 MSRP but lacks these features and has been discontinued since 2018-02. The Zody is the stronger choice for modern ergonomic needs per the provided specs.