With a sturdy metal base and high quality class-4 gas rod, our office chair can support up to 180kg, which is ideal for heavy and tall people. Unlike the ordinary chair seen in the market, this executive chair features rocking backrest, which lets you rock back and forth to alleviate fatigue throughout a long working day. And its seat, lumbar support and armrest can be adjusted to meet the needs of people with different requirements. Mesh backrest features better breathability for exceptional comfortableness.