This ergonomic office chair will bring you comfort and support in your working spaces. The back and seat are adjustable, allowing you to find the most comfortable position for sitting. The backrest can also be smoothly adjusted from 90 to an indulgent 135, allowing you to find the perfect angle for relaxation or focused work. In addition, the linkage armrests and retractable footrest offer you arms and legs optimized comfort. Equipped with the 5-claw base and SGS gas rod, the mesh desk chair stays stable on the ground. It also moves smoothly with 5 universal wheels. - Gymax Ergonomic Mesh Office Chair High Back Executive Chair with Footrest in Black