Enjoy more flexibility with the office chairs adjustable headrest, 90-105 rocking backrest, and adjustable swivel seat. The headrest is 6 cm vertically adjustable. You can position it precisely where needed for optimal neck and head support. Moreover, the comfortable sitting experience is also well-ensured by the spring cushion seat with 36 pocket springs and padded armrests. The elastic sponge and breathable leathaire provide luxurious touch. Its robust design includes a strong gas rod for smooth height adjustment and a sturdy 5-claw metal base that can hold up to 150 kg. Attention to details, the executive chair comes with a back pulling handle and low-noise PU wheels for easy movement. Costway Ergonomic Office Chair Leathaire Computer Chair w/Rocking Backrest in Brown