Sihoo Doro C300 Ergonomic Office Chair
Sihoo Doro C300 Ergonomic Office Chair
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Description
Description
Sihoo Doro-C300 is engineered to provide continual, next-level support and comfort to you, coming with self-adaptive lumbar support, flexible backrest, 4D coordinated armrests, and more, all for a comfortable seating experience even after long periods of time, allowing you to work with higher productivity and unleash your creativity.
- Ergonomic lumbar support for constant waist comfort
- Streamlined seatback that flexes and matches your back
- Wide multi-adjustable headrest for high-precision neck and head support
- 4D coordinated armrests to relax your arms in all postures
- Smart weight-sensing chassis for an effortless and balanced reclining experience
- Waterfall-shaped seat for weightless seating
Key Features

Self-adaptive lumbar support

Flexible backrest

3D mechanical headrest

4D coordinated armrests
Dynamic lumbar support that moves with you
No manual adjustment is required, the self-adaptive dynamic lumbar support tracks your body movement and automatically stays in line with your spine curve, keeping your back supported and comfortable.


The BM (Body Movement) Tracking System dynamically follows your every move, constantly adjusting its lumbar support tohug your lower back-no matter how you shift.

Unlike most chairs-even “ergonomic” ones-that use fixed pads or require manual tweaks, Sihoo Doro C300's true self-adaptive dynamic lumbar system automatically adapts as you twist, turn, or recline.


Rest your neck with high precision
Freely adjust the headrest precisely inthree directions to provide ideal supportfor your neck and head, while the auto-locking mechanism keeps it securely in place. The ultra-wide design also provides ample room torest your head to the side.

4-directional armrests, arm support in all position
Sihoo Doro C300's soft, PU-padded armrests not only adjust in three directions but also synchronize with the backrest whenyou reclining, keeping your arms andshoulders stress-free.

Pressure minimized, comfort maximized
The waterfall-shaped seat cushion evenly distributes pressure across your thighs and hipsso you'll feel weightless in Sihoo Doro C300.


Adapts to you for effortless reclining
Smart weight-sensing and mechanical-conduction technologies in Sihoo Doro C300 mechanism adapt to your body weight, providing optimal resistance so you can recline and sit back up with ease, balance, and comfort.

Breathable, comfortable
Sihoo Doro C300's premium mesh offers exceptional breathability to keep you cool, while its elastic weave provides responsive support, plush comfort, and lasting durability. Plus,the easy-to-clean mesh makes upkeep a breeze.

Easily adjustable, perfectly suitable
Effortlessly fine-tune armrests, headrest,and backrest with simple hand adjustments. A single lever beneath the right seat lets you raise, lower,and recline in one smooth motion.
Personalized comfort for any size
With its wide range of adjustments, Sihoo Doro C300 adapts to you-whether you're 155 cm or 190 cm tall,50 kg or 100 kg. lt feels like it was made just for you.


Up to 130° ofrecline comfort
With three adjustable recline angles-110°,120°, and 130°-Sihoo Doro C300 adapts to everything from intense concentration to deep relaxation. The newly added optional footrest delivers even greater comfort when reclining.

Robustly built,rigorously tested
Crafted from premium materials, Sihoo Doro C300 is BIFMA-SGS- and TÚV-certified and undergoes rigorous testing on every unit-guaranteeing years of ergonomic comfort.
Ergonomic support for the full body
When you move your upper body around or reach down to the side to pick up a pen you drop, the streamlined backrest of Sihoo Doro-C300 with the triangular frame flexes and matches your back, providing continuous support.


Efficient Workspace
Whether you’re in the office or working from home, Sihoo Doro C300 delivers lasting support and comfort—keeping you productive all day.

Battlestation
Nothing derails a gaming session like an uncomfortable chair. With Sihoo Doro C300, you’ll stay supported, comfortable, and ready for victory.

Inspiration Haven
Sleek design meets full ergonomic support—stay comfortable and inspired through your longest creative sessions.
Specifications
PRODUCT NAME
Sihoo Doro-C300 Ergonomic Office Chair
FABRIC
Mesh Back and Seat with Soft PU Coated Armrests
ARMRESTS
4D coordinated armrests
MAXIMUM LOAD
Up to 136kg
SEAT DEPTH
46 cm
MAX HIP WIDTH
50.8 cm
CHAIR BACK LIFTING HEIGHT
6 cm
GROSS WEIGHT
30.1 kg
PACKAGE DIMENSIONS
77.5 x 56 x 39 cm
COLOR OPTIONS
Black, white

FAQ
Our customer support is available Monday to Friday: 8am-8:30pm.
Customer service email: support@sihoooffice.com
What are the dimensions and weight of the Doro-C300?
What are the dimensions and weight of the Doro-C300?
Here you go:Size: 30.51 x 22.05 x 15.35 inches.Weight: 66.36 lbs.
What is the estimated delivery time?
What is the estimated delivery time?
For home delivery within the continental E.U., you can expect it to take approximately 3-8 days.
Is the Doro-C300 suitable for taller individuals?
Is the Doro-C300 suitable for taller individuals?
The height of the Doro-C300 can extend up to 41.34 inches, and the seat height is adjustable, ranging from 15.75 inches to 17.72 inches. While the maximum weight capacity is 300 lbs, please consider the user's body shape as a factor as well. You're welcome to try out Doro-C300, we have a 30-day free return policy!
Does the Doro-C300 come assembled?
Does the Doro-C300 come assembled?
No, the Doro-C300 is shipped and delivered unassembled. However, don't worry! We include all the necessary tools and an assembly guide inside the package. You can also check out our assembly guide video on our YouTube channel here(https://youtu.be/IzFJSrUgLu0).
If I don't like the product, can I return it?
If I don't like the product, can I return it?
If you're not satisfied with the product, you can return it within 30 days of receipt and get a full refund. Just make sure the chair is in good condition and in its original packaging.
What does the warranty cover?
What does the warranty cover?
Our warranty covers all manufacturing defects that may arise within 3 years from the date of delivery. During this period, we will provide replacement parts free of charge. It's important to note that warranties do not cover normal wear and tear or misuse of the product.