Freely adjust the headrest up and down, back and forth, or rotate it precisely fit the curve of you neck and provide the ideal amount of support and comfort. The wide surface also provides enough area for you to comfortably rest your head on the side.
![](http://aitsulabmy.com/cdn/shop/files/Black_Functional_Upgrade-08.jpg?v=1715074169)
![](http://aitsulabmy.com/cdn/shop/files/Black_Functional_Upgrade-03.jpg?v=1715074288)
The armrests can be adjusted up and down by 6.8 cm (2.68 in), back and forth by 4.8 cm (1.89 in), in and out by 8 cm (3.15 in), rotated inward and outward by 70Ā°, and flipped up by 35Ā°, ensuring support for your arms in various postures during long work, study, or gaming sessions. The armrests also coordinate with the backrest, providing proper support when you recline to take a break.
DORO-C300
This is the invention of Sihoo, it is a geniues ideaĀ combine horizontal, vertical, vertical, 3 variables that affect comfort and health into 3 modules as a lumbar pillow
Let the lumbar pillow and seat cushion, chair back,Ā formed together with the body as an interlocking lumbar support system ,no matter the user is sitting or lying back
The waist support can be adjusted according to the corresponding strength and position, so that the lumbar support can be support your lumbar at all times!
Radial Contact Module
Support you back at all times, comforty lumbar support
Slope tracking lumbar support
Tightly connected with your lumbar, follow your lumbar support at all times
Comparison with others
Doro C-300 designed to follow your lumbar support at all times
![](http://aitsulabmy.com/cdn/shop/files/Black_Functional_Upgrade-06.jpg?v=1715074416)
![](http://aitsulabmy.com/cdn/shop/files/Black_Functional_Upgrade-09.jpg?v=1715074464)
The backrest of the home high back office chair has four adjustable positions and can move up and down by 2.36 inches, which is suitable for people of different heights. When adjusted to the highest position, it will automatically return to the lowest position. The backrest of this office chair features a flexible triangular frame that conforms to your back as you move your upper body from side to side, providing you with continuous support.
Sihoo Doro C300 now features an expanded seat cushion, offering not only a more extensive sitting area for individuals of larger sizes but also enhanced seating comfort. Additionally, the included seat depth adjustment ensure better adjustability and suitability.
![](http://aitsulabmy.com/cdn/shop/files/Black_Functional_Upgrade-04.jpg?v=1715074619)
Use collapsible tabs for more detailed information that will help customers make a purchasing decision.
Ex: Shipping and return policies, size guides, and other common questions.
Custom code block
Use this advanced section to add custom HTML, app scripts, or liquid.
![](https://cdn.shopify.com/s/files/1/0647/5877/6045/files/Capture_66c8f3b9-ae82-4867-81c1-349e40fde1cb_1024x1024.jpg?v=1668052874)