FLEXISPOT ErgoX Premium Ergonomic Office Chair supports more weight than SIHOO M18 Ergonomic Office Chair; compare lumbar and adjustability below.
| Metric | FLEXISPOT ErgoX Premium Ergonomic Office Chair | SIHOO M18 Ergonomic Office Chair |
|---|---|---|
| Weight capacity | 400 lbs | 330 lbs |
| Rating | — | — |
| Price | — | — |
| Lumbar | dynamic | dynamic |
| Headrest | adjustable | adjustable |
| Armrests | 3d | 2d |
| Materials | mesh, reinforced nylon | polyester mesh fabric, foam seat cushion, steel/aluminum & nylon |
| Warranty | — | 3.0 |