Ergonomic Office Seating
SIHOO Doro S300 Ergonomic Office Chair
Key Features
Every detail matters
Comfort for the Entire Back
A proper support for your shoulders and neck, whether you're 150 cm (5 feet) or 190 cm (6 feet 3 inches) tall
Coordinated Support for the Full Body
The gas lift enables precise adjustment of the lumbar support between 90° and 105°, ensuring the perfect fit for every user.
Soft and Spacious Headrest
You can rest your head comfortably on the side, whether you're relaxing after a long day or taking a short break from your tasks.
Cloud-Like Softness
The Sihoo Doro S300 uses a unique weaving technique that combines Italian velvet with DuPont TPEE for its mesh material. This blend provides exceptional elasticity, durability, pressure relief, and a luxuriously soft texture.
Pressure-Relieving Seating
The Sihoo Doro S300 features a suspension system with four springs that effectively absorb shock when you sit down.
Robustly Built, Rigorously Tested
It is BIFMA and SGS certified, providing extra peace of mind. Enjoy years of comfort and durability with your Doro S300.
Complete control within your reach
The controls are conveniently situated on the right-hand side for easy access, enabling you to smoothly regulate the height, seat depth, reclining angle, and tension.
See It in Action
Product Overview
Specifications
Dimensions
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Frequently Asked Questions
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SIHOO / Doro S300 / Design details
A lighter way to lean back.
Explore the Doro S300’s reclining mechanism, dual lumbar support and breathable mesh. Each detail contributes to a distinctive sitting experience.
At a glance
Highlights
Anti-gravity mechanism
A balanced mechanism supports a smooth recline.
Dual lumbar support
Two support sections adapt around the lower back.
Soft woven mesh
A breathable surface with a softly supportive feel.
Adjustable backrest
Set the backrest height to suit your frame.
Integrated head support
Room to rest when you lean back.
6D armrests
Fine-tune arm support in several directions.
Right-side controls
Keep everyday adjustments within easy reach.
Seat suspension
A suspended seat structure cushions changes in load.
Watch the details
Comfort, in motion.
Discover the details behind every movement.
Design in motion
Comfort through your working day.
See the S300 in use, from upright work to a relaxed recline.
A closer look
Every angle. Every detail.
S300 design
Dual lumbar support detail
Reclining in the S300
Mesh texture
Adjustable backrest
Recline mechanism design
Backrest height adjustment
Headrest comfort
Adjustment controls
Seat suspension
Supporting structure
Chair dimensions
Make it yours
Setup & adjustments.
Choose a guide to play when you need it.
Adjust your S300.
Follow SIHOO’s guide to the chair’s controls and adjustments.
Assemble your S300.
Follow the manufacturer’s assembly sequence.




