This premium ergonomic office chair is engineered for all-day comfort, featuring a fully adjustable 3D headrest and lumbar support system to maintain spinal alignment, a ventilating mesh back for breathability, and 2D rotating leather-finish armrests. It is built on a heavy-duty BIFMA-tested metal base with a 150kg capacity and 135 free-tilt, complemented by an extra-padded contoured seat cushion for optimal pressure distribution during extended use. - Realm of Thrones High-Back Mesh Office Chair with 3D Headrest & Lumbar Support Desk Chair for Home Office Gaming Chair in Black