Lex from 9to5 Seating is an ergonomic task chair that combines a breathable mesh back with an upholstered seat, offering a synchro tilt mechanism, upright tilt lock, tension adjustment, and optional seat‑depth and padded lumbar adjustments for personalized comfort. It features standard 4D adjustable arms, a durable nylon base, and comes in four mesh colors with black or light‑gray frames, targeting professionals seeking a versatile, high‑value seating solution launching in October 2026.