The Customizable Equation Task Chair Responds to Users’ Ergonomic Needs

Equation helps reduce the negative effects of prolonged sitting.
Sept. 16, 2025

Equation by Allseating is an ergonomic, integrated task chair developed to help reduce the negative effects of prolonged sitting and meet the physical and psychological demands of hybrid, in-office, and remote work. It features a patented back/lumbar angle adjustment with three settings (neutral, mid +2°, and fully engaged +4°), plus an integrated seat slider and a choice of either an adjustable weight-activated or synchro tilt mechanism, allowing Equation to naturally respond to a wide range of users and needs. Optional lumber and headrest accessories allow users to tailor the chair to their own ergonomic requirements.

The highly customizable chair is available armless, with height-adjustable arms, or with height-adjustable pivoting arms, as well as two frame finishes and an optional polished aluminum base. Three breathable mesh patterns allow Equation to fit into any existing interior.

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