Ergonomic Office Chair with Adjustable Armrests and Lumbar Support (Black)

About this item

• 【Material】Our home office desk chair aluminum base is stable and durable, bearing quality is good. Silent casters move freely without noise. Double back frame design, stable and durable.
• 【Warranty】Product warranty period is three years. If there is any quality problem, please contact us. After confirming, we will change the accessory for you. We promise to provide you with zero profit product accessories within three years of the warranty period.
• 【Features】SIHOO ergonomic chair with adjustable headrest can make neck tilt easily and comfortably, adjustable lumbar support bracket for free adjustment of height depth, 3D adjustable armrest for different office applications, 90°-126° arbitrary backrest adjustment for multiple work positions, any switch 3.15 in lift, 360 ° Freedom to rotate freely 3D handrail.
• 【Ergonomic Design】The SIHOO ergonomic office chair is endorsed by the Ergonomics Application Association. Its ergonomic layout is derived from a digital model that represents human body dynamics. The curvature of the backrest aligns perfectly with the human spine, providing optimal support. This close fit alleviates pressure on the spine. Additionally, the waterfall arc design of the seat offers excellent thigh support, ensuring enhanced comfort during use.
• 【Design】SIHOO is the crystallization of the common wisdom of many professionals in human body, physiologist, product designer, mechanical engineer，does its best to make every step comfortable and safe for every customer. Every small part has strict safety quality testing. Cushion impact test, handrail fatigue test, chair foot static pressure test, in line with the strict standards of office chair.