Introducing the ultimate executive chair, designed to provide unparalleled comfort and support. Its 2D headrest is adjustable, allowing you to find the perfect height and angle to support your neck and head. The 3D armrests can be customized in every direction, ensuring optimal comfort for your arms. The wide backrest features a double-back structure with an elastic lumbar support that targets your waist, intending to ergonomically support your back and waist. Besides, the backrest can be tilted and locked at any angle between 90 and 120. Adjust the seat height to accommodate your height and indulge in the ergonomic design of the waterfall seat that fits your hips like a glove. As a bonus, a retractable footrest offers additional legroom, reducing fatigue. Built with a sturdy 5-claw base and SGS gas rod, this office chair can support up to 150kg and effortlessly glides on its 5 stable, universal wheels.Features:Tilting backrest for free rocking from 90 to 120 and can be locked at any angleDouble-back structure combines a small upper backrest and a lower lumbar supportScientific 2D headrest for optimal support to reduce head and neck fatigueHas 3D adjustable armrests, allowing you to find your most comfortable positionRetractable footrest allows you to freely stretch legs for better relaxationWaterfall seat surface can adapt to your hip curves for better comfortUpholstered in premium mesh fabric that is breathable and wear-proofSGS gas rod is reinforced and durable for safe use, ensuring stable 360 swivelingSupported by the 5-claw base, which can safeguard exceptional stabilityDesigned with universal wheels to ensure convenient movementAngle lock lever and height adjustment lever for convenient controllingComes with a tension knob to customize the tension of rocking motion