Ergonomic DesignThick sponge padded cushions plus soft PU and PVC leather provide ultimate comfort. The high backrest, comfy headrest and lumbar support give strong support for your body, reducing fatigue after sitting for a long time. Additionally, the retractable footrest is designed for you to take a nap when you're tired. Adjustable Gaming ChairThe chair comes with multiple adjustable functions to perfectly meet all your needs in daily use. The seat height can be adjusted from 17" to 20" to fit well with desks of different heights. Moreover, adjustable backrest (90°-155°) and linkage armrests enable you to find ideal positions for working, gaming or napping.