XMSJ Ergonomic Mesh Office Chair With 4D Arms And Lumbar

Meet the XMSJ Ergonomic Mesh Office Chair—designed for all‑day support with a breathable mesh seat, 4D flip‑up arms, and a customizable lumbar system that moves with you.

• All‑day comfort: engineered for long sessions (8+ hours) with micro‑adjustable lumbar support, a flexible headrest, 4D flip‑up arms, and a 3‑level tilt backrest that keeps you comfortable as your focus shifts.
• Customizable lumbar support: 8‑position adjustment with 2 inches of travel to align with L1–L5 and reduce lower back fatigue by up to 50%.
• Cool, roomy seating: large Aerovith Mesh seat (19.3" x 20") keeps you cool, supports you deeply, and reduces pelvic pressure by about 20% for lasting comfort.
• Stable, smooth mobility: SGS gas lift and stainless steel base support up to 400 lbs, with silent PU wheels and 90°/110°/125° backrest lock to suit your workflow.