Ergonomic gaming chair with innovative 8-rib ExoBase construction - three-stage lumbar adjustment Height and angle adjustable mesh headrest - covered with a high-strength mesh fabric with PureFlow technology Seat made of high-quality foam, covered with mesh textile with PureFlow technology 3D adjustable armrests: up/down, forward/backward, right/left - tilting backrest Height adjustable with 4-step gas lift - sturdy 5-star base. Durable, large 60 mm wheels with CareGlide cover to protect the floor from scratches