Gravity High Back Revolving Office Chair is crafted with breathable mesh fabric which allows air to circulate & keeps your body cool while sitting. The lumbar support can be pushed forward or backward as desired to comfort yourself by just rotating the knob clockwise or anti-clockwise. The headrest of this chair is also adjustable to easily support your neck and head. Not just that, the Armrest is also designed specifically to comfort your arms as needed. They come with a T-shaped design of which the height can be swiftly adjusted and can be locked as needed. Move easily with the swivel feature & nylon casters of heavy duty. The seat of this chair is made from premium mould to remain stiff yet comfortable for a longer life span.This is a must have chair for your business space, office, reception, etc.