SIHOO M57 Ergonomic Office Chair with 3 Way Armrests Lumbar Support and Adjustable Headrest High Back with Tilt Function (Black)
Original price was: $299.99.$229.99Current price is: $229.99.
Price: $299.99 - $229.99
(as of May 30, 2025 09:00:50 UTC – Details)
From the brand
SIHOO focuses on the field of ergonomics, our ergonomic office chairs are designed with fashionable modern office chair to sit health life as design purposes, scientifically measure health and comfortable seats, provide you with a comfortable, reasonable, scientific Health sitting posture experience.
Your Ideal Chair Is Here.
Your comfort is our priority.
SIHOO Doro C300
SIHOO Doro C300 ergonomic office chair new product is on sale, with multi-function adjustment to meet all your experience needs. New design Dynamic Tracking System with fully breathable mesh backrest design and flexible triangular frame, conforming to your back as you move your upper body from side to side. The backrest of the home high back office chair has a four-position adjustment, allowing for 6cm (2.36″) of up and down movement, making it suitable for individuals of varying heights. When adjusted to the highest position, it automatically returns to the lowest level.
【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】SIHOO ergonomic office chair is recommended by Ergonomics Application Association. SIHOO’s ergonomic design is based on the human body dynamic digital model. The ridge backrest and the human spine are exactly the same. The close fitting helps release the spinal pressure. The flow waterfall arc seating design Thigh support is comfortable, SIHOO will make you more comfortable.
【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.
【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.
【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.
Customers say
Customers find the office chair comfortable and ergonomic, with adjustable features including three-way armrests and adjustable lumbar support that helps maintain proper posture. Moreover, the chair is easy to assemble with clear instructions and offers great value for its price point. However, the build quality receives mixed feedback – while some find it well-built, others report issues with the headrest breaking after 8 months of use. Additionally, customers disagree on the chair’s size, with some finding it suitable for mid-sized adults while others note it’s not ideal for those over 6’1″.
AI-generated from the text of customer reviews

Original price was: $299.99.$229.99Current price is: $229.99.