Sihoo Doro C300 Pro V2 Ergonomic Office Chair

Color: Black

Version

Standard Version Footrest Version

$429.99 $499.99

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Details

Sihoo Doro C300 Pro V2 delivers adaptive, full-body support for all body types and activities.

Supercharged by the innovative DynaCore and SyncroFlex systems, along with Self-Adaptive Dynamic Lumbar Support 2.0, 8D bionic armrests, an ultra-wide 3D headrest, and more, it sets a new standard in dynamic support.

Free Shipping | 3-Year Free Warranty | 30-Day Free Return | Available in U.S. and Canada for now

A perfect fit from the first sit.

The First Full-Body Adaptive Ergonomic Chair

C300 Pro V2

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Wider support. Deeper comfort.

3D Wide Headrest. 28% more surface area for closer neck support.

Support beyond the lower back.

Domino™ Sacral-Lumbar Support. Designed to support where traditional chairs fall short.

Moves naturally. Supports continuously.

SyncroFlex™ Glide System. A recline experience that follows your body.

Four zones. One adaptive system.

4-Zone Synchronized Tracking. Coordinated support from head to arms.

More surface. More freedom.

8D Bio-Adaptive Armrests. Built to adapt through every position.

What Tech Reviewers Say

"The Doro C300 Pro V2 was built with comfort in mind. Its DynaCore system gives you full-body dynamic support—not just in the back, but in the headrest, lumbar, and armrests too. And with SyncroFlex, the chair moves with you, so you’re not constantly readjusting your fit."

Linus Tech Tips Top Tech Review Channel

"Sitting is not a static position, you're constantly adjusting, moving, leaning, and shifting overall without you even realizing it. And so, the question here is not is this chair comfortable, but rather does it stay comfortable while you move. Full body adaptive support will help you."

TechUtopia Product Reviewer

DynoCore Full-Body Support

Full-Body Support That Moves with You

Move, lean, or recline. DynaCore follows your body, keeping the headrest, backrest, lumbar support, and armrests in sync for continuous full-body support.

No Need to Readjust

The chair adapts as you move, so you stay supported without constantly making adjustments.

Your Whole Body, Supported

The headrest, backrest, lumbar support, and armrests move together to support your entire body.

Comfort That Moves with You

Sit up, lean back, or recline. Continuous support keeps you comfortable through every position.

SyncroFlex Backrest

A Better Fit from the First Sit

Sit down and SyncroFlex automatically contours to your spine for personalized support. Lean back, and it adapts to your natural recline path—so the chair feels made for you.

Fits You from the Start

Automatically contours to your spine for a more natural, personalized fit.

Reclines the Way You Do

SyncroFlex adapts to your body as you recline, keeping every movement smooth and supported.

Self-Adaptive Dynamic Lumbar Support 2.0

More Support, Right Where You Need It

Wider and more adaptive than before, Lumbar Support 2.0 follows your lower back with a pressure-relieving spring and three levels of adjustment—from natural lumbar support to deeper sacral support.

Maintains the spine’s natural S-curve for balanced posture.

Gently and elastically supports your lower back.

Extends support to the base of your spine, including the sacrum.

8D Bionic Armrests

More Ways to Move. More Ways to Sit.

Adjust up, down, forward, back, rotate, or tilt. With 8 directions of movement, the armrests adapt to the way you sit, work, and play. Keeping your arms supported in every position.

Game On. Elbows Supported.

Tilt the rear armrest up for extra elbow support during handheld gaming.

Get Closer to Your Desk

Swing the armrests aside or back to pull in closer when it’s time to focus.

Recline. Stay Aligned.

Tilt the armrests down to keep your forearms naturally aligned with your desk—even as you lean back.

Ultra-Wide 3D Headrest

More Room to Lean Back

Now 28% wider, the 3D headrest gives your head and neck more room to rest. Adjust it in three directions for comfortable support, whether you’re sitting centered or leaning to the side.

105°, 120°, 135° Recline

Three Angles. Whatever the Moment Calls For.

Switch between 3 recline positions for work, play, or downtime, all with full-body support.

105° Stay Focused

A comfortable angle for getting work done.

120° Lean Back

Kick back for gaming, reading, or a quick break.

135° Fully Recline

Stretch out, settle in, and relax.

Built to Keep Up. Built to Last.

Made with premium materials and rigorously tested to BIFMA, SGS, and TÜV standards, the Sihoo Doro C300 Pro V2 is built to support the way you work, create, and play for years to come.

Zero Pressure. Every Stature.

Eliminate hip and thigh strain with even pressure distribution and a 4 cm adjustable seat depth for the perfect personal fit.

Flow Without Effort

From 40kg to 100kg, the Smart Mechanism 2.0 perfectly calibrates resistance to your weight. Recline and return effortlessly—no manual adjustments required.

Complete Control within Your Reach

Easily adjust height, recline, and seat depth with a conveniently positioned right-side handle—no more fumbling or reaching down.

Scenario Showcase

COZY WORK

TEAM WORK

WORK FROM HOME

Why Upgrade to Pro V2?

NEW!

C300 Pro V2

C300

Support System

DynaCore™ Synchronized Full-Body Support Actively keeps key support points aligned as your body moves.

Multi-Point Ergonomic Support
Balanced support across key body zones for everyday comfort.

Lumbar & Sacral Fit

Domino™ Sacral-Lumbar Support
More targeted support for your lower back and sacrum in every posture.

Self-Adaptive Dynamic Lumbar Support
Responsive lower back support for everyday sitting comfort.

Backrest

SyncroFlex™ Back-Glide System Adapts more precisely to different body types from the first sit.

Flexible Backrest Contours to your back as you twist and recline.

Armrests

8D Synchronized Arm Support
Keeps your shoulders and elbows supported through work and recline.

4D Coordinated Armrests
Flexible support for changing tasks and positions.

Seat Fit

Pressure-Relief Seat with 1.6" Depth Adjustment
More personalized leg support and a better fit across heights.

Waterfall Mesh Seat
Breathable, balanced support for cool everyday comfort.

Tech Specs

Product Name	Sihoo Doro C300 Pro V2 Full-Body Adaptive Ergonomic Chair
Materials	Mesh Back and Seat; Soft PU Coated Armrests
Armrests	8D Bionic Armrests
Maximum Load	Up to 330 lbs
Seat Depth	16.9" - 18.5"
Seat Width	20.5"
Backrest Height	20.5" - 23.6" (above seat)
Recline Angles	105°, 120°, 135°
Net Weight	59.64 lbs
Gross Weight	75.22 lbs
Color Options	Black, White

Frequently Asked Questions

What is the DynaCore Full-Body Support System?

The DynaCore System coordinates the lumbar support, backrest, headrest, and armrests to respond to your movements, delivering full-body support as you sit and move.

What is the SyncroFlex Backrest?

When you sit down, the seat responds to your body weight. The dual-spring, dual-track suspension system then automatically adapts to the natural curve of your spine. When you recline, it moves with you to create a smooth, personalized reclining experience.

What is the suitable height range for the Sihoo Doro C300 Pro V2?

With its advanced adaptive features and adjustability, the Sihoo Doro C300 Pro V2 is designed to provide comfortable support for users between 150 cm and 190 cm tall.

Who is the Sihoo Doro C300 Pro V2 for?

The Sihoo Doro C300 Pro V2 is designed for anyone who values everyday seating comfort and support. It is especially well suited for office professionals, creators, solo workers, and gamers, as well as those who sit for long periods or experience chronic back discomfort.

What does the warranty cover?

Our warranty covers manufacturing defects that occur within 3 years from the date of delivery. During this period, replacement parts will be provided free of charge. Please note that the warranty does not cover normal wear and tear or damage caused by misuse.