Sihoo DORO-S300 Ergonomic Office Chair
SIHOO DORO‑S300 Ergonomic Office Chair
Experience unparalleled support and comfort that feels almost weightless.
Overview
SIHOO’s DORO‑S300 is our most advanced ergonomic chair—featuring an Anti‑Gravity Mechanism and other innovative elements for a near‑weightless recline experience. With customizable dual dynamic lumbar support, an integrated headrest, and premium Italian velvet & DuPont TPEE mesh, the Doro S300 ensures you stay comfortable and supported for extended periods.
Proudly recognized with a 2023 German Design Award, every detail reflects SIHOO’s commitment to quality, style, and engineering excellence.
Key Features
- Anti‑Gravity Mechanism: Aerospace‑grade glass fibre for a near weightless recline
- Weightless Recline: Provides full‑body coordinated support
- Dynamic Lumbar Support: Customizable 90°–105° lower back relief
- Integrated Headrest: Offers neck and shoulder comfort
- German Design Award 2023: Celebrated for innovation and style
These features harmonize to reduce lower back pressure while delivering unmatched comfort for long work sessions.
In-Depth Features
Breakthrough Anti‑Gravity Mechanism
Incorporating elastic plates made from aerospace‑grade glass fibre—the same material used in spacecraft—the Doro S300 offers a fluid, near weightless recline. Experience smooth, effortless motion without needing to lock your backrest.
Comprehensive Lower Back Support
The dual dynamic lumbar support features two wing-shaped pads, adjustable between 90° and 105°. Tailor it to your body shape and posture for maximum comfort and reduced fatigue.
Cloud‑Like Softness & Pressure‑Relieving Seating
A unique weaving technique merges Italian velvet with DuPont TPEE to create a mesh that is luxuriously soft yet incredibly durable. Along with a waterfall-shaped seat cushion and four pressure‑reducing springs, you can maintain consistent comfort through extended periods.
Complete Control Within Your Reach
Convenient, easily accessible controls let you adjust height, seat depth, recline angle, and tension for a personalized fit. Enjoy tailored comfort for every task and posture.
Robustly Built, Rigorously Tested
Engineered with premium materials and subjected to rigorous testing, the Doro S300 is BIFMA and SGS certified. This assures you of its durability and dependable performance, giving you peace of mind over the long term.
German Design Award 2023
Honored with the German Design Award 2023, the Doro S300 highlights SIHOO’s drive for innovation and precision craftsmanship. From its single‑piece aluminum frame to its advanced ergonomics, every detail sets a new benchmark in office seating.
Specifications
| Headrest | Ultra-wide integrated headrest |
|---|---|
| Mechanism | Anti-Gravity Mechanism with aerospace-grade glass fiber elastic plates |
| Mesh Material | Italian velvet, DuPont TPEE |
| Suspension System | 4 pressure-reducing springs |
| Seat Cushion | Upgraded waterfall-shaped seat cushion |
| Lumbar Support | Dual dynamic lumbar support (90°–105°) |
| Armrests | 6D coordinated |
| Seat Height | 47-55.5 cm (18.50-21.85 in) |
| Seat Width | 51.5 cm (20.28 in) |
| Seat Depth | 40-47 cm (15.75-18.50 in) |
| Overall Height | 109.5-125 cm (43.11-49.21 in) |
| Recline Angles | 100°, 110°, 130° |
| Net Weight | 26.2 kg (57.75 lb) |
| Max Recommended Weight | 136 kg (300 lb) |
| Recommended User Height | 150-190 cm (5' - 6'3") |
Our Promise
At SIHOO, we’re committed to delivering premium ergonomic solutions for our fellow Aussies. If you encounter any issues after purchase, our friendly support team is here to help. Our clear returns and refunds policy ensures you can shop with absolute peace of mind.
Delivery
We understand how crucial prompt, reliable delivery is. Orders typically process within 1–2 business days, and shipping throughout Australia usually takes 3–7 business days. Once dispatched, you’ll receive a tracking link to keep an eye on your chair’s journey.
For any special delivery requests or for international shipping, our dedicated support team is here to provide assistance. We carefully package each order to ensure your SIHOO DORO‑S300 arrives in perfect condition.
Warranty
We stand behind the SIHOO DORO‑S300 with a comprehensive 5‑year warranty covering manufacturing defects and mechanical performance. What’s Covered:
- Anti‑Gravity Mechanism & dynamic adjustments
- Dual dynamic lumbar support & 6D armrests
- Chair frame & structural integrity
If an issue arises, our support team will collaborate with you to resolve it swiftly. Enjoy a worry-free experience with SIHOO.
Upgrade Your Workspace Today!
Discover the unmatched comfort and innovation of the SIHOO DORO‑S300. Order now and experience a revolutionary change in your work routine!
Specifications
| Headrest | Ultra-wide integrated headrest |
|---|---|
| Mechanism | Anti-Gravity Mechanism with aerospace-grade glass fiber elastic plates |
| Mesh Material | Italian velvet, DuPont TPEE |
| Suspension System | 4 pressure-reducing springs |
| Seat Cushion | Upgraded waterfall-shaped seat cushion |
| Lumbar Support | Dual dynamic lumbar support with 90°-105° customization |
| Armrests | 6D coordinated |
| Seat Height | 47-55.5 cm (18.50-21.85 in) |
| Seat Width | 51.5 cm (20.28 in) |
| Seat Depth | 40-47 cm (15.75-18.50 in) |
| Overall Height | 109.5-125 cm (43.11-49.21 in) |
| Recline Angle | 100°, 110°, 130° |
| Net Weight | 26.2 kg (57.75 lb) |
| Max Recommended Weight | 136 kg (300 lb) |
| Recommended User Height Range | 150 - 190 cm (5' - 6'3") |
Warranty
At SIHOO, we stand behind our commitment to premium quality and reliability. The SIHOO DORO‑S300 is backed by a comprehensive 5‑year warranty covering manufacturing defects and mechanical performance.
What’s Covered:
- Anti‑Gravity Mechanism & dynamic adjustment systems
- Dual dynamic lumbar support and adjustable armrests
- Structural integrity and overall workmanship
Our warranty is designed to provide you with complete peace of mind. In the unlikely event of any issues, our friendly support team is here to assist with straightforward returns or exchanges according to our clear and fair policy.
Shop confidently knowing that SIHOO is dedicated to your satisfaction and to delivering enduring ergonomic excellence.
Delivery
At SIHOO, we know that fast and reliable delivery is an essential part of your shopping experience. We work hard to ensure your SIHOO DORO‑S300 arrives safely, on time, and in pristine condition.
Shipping Information:
- Processing Time: Orders are typically processed and shipped within 1–2 business days.
- Delivery Time: Estimated delivery within Australia is 3–7 business days from the date of shipment.
- Tracking: Once your order ships, you'll receive a tracking number via email so you can monitor your delivery.
- Packaging: Our chairs are carefully packaged to protect them during transit and ensure they reach you in perfect condition.
Should you have any questions or special shipping requirements, our friendly customer service team is available to assist you.
UpDown Desk has partnered with SIHOO, a global leader in ergonomic seating solutions.
As a company committed to supporting the health and wellbeing of office workers across Australia, it was essential for UpDown Desk to partner with a brand that shares our vision for high-quality, ergonomic office furniture.
With years of expertise in designing and manufacturing ergonomic chairs, SIHOO has become internationally recognised for combining innovative engineering with user comfort. Their chairs are purpose-built to promote better posture, reduce fatigue, and support productivity in both professional and home office environments.
Just like UpDown Desk, SIHOO places a strong emphasis on functionality and design—ensuring every chair not only looks modern but delivers exceptional comfort and support where it’s needed most. Together, we’re proud to offer a complete ergonomic solution that helps Australians work smarter and healthier every day.
thoughtful design—delivering an exceptional user experience.
As more Australians work from home or in flexible office environments, SIHOO ergonomic chairs are built to adapt—offering durability, comfort, and customisable support for every user. Each SIHOO chair is crafted with the highest standards of ergonomic design, safety, and sustainability, ensuring peace of mind with every purchase.
What sets SIHOO chairs apart:
- Recommended by health professionals to promote optimal posture, dynamic movement, and long-term comfort for better productivity.
- Award-winning design that blends smart technology, premium materials, and modern aesthetics to suit evolving workspaces.
- Trusted quality backed by warranty—with select models offering up to 10 years of coverage and reliable after-sales support, including return-to-base servicing and component replacement.
- Whether you're upgrading your home office or equipping your team, SIHOO helps you work smarter—and sit better.
20,000+ Happy Customers Across Australia
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