DORO C300
$269.99
$559.99
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DORO C300 Pro
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Save more when you buy multiple chairs. Bulk discounts are automatically applied at checkout.
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Sihoo C300 Pro Ergonomic Office Chair with Seat Depth for Long Sitting
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What matters most to you?
How long do you sit each day?
What kind of support do you need?
Which setup fits your workspace?
Step 1 of 4
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Sihoo C300 Ergonomic Office Chair with Advanced Back Support
A balanced ergonomic chair for home offices, shared workspaces, breathable comfort, and everyday support.
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Sihoo C300 Pro Ergonomic Office Chair with Seat Depth for Long Sitting
Designed for stronger ergonomic support, smoother recline, and more advanced adjustment during long workdays.
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Sihoo Doro C300 Pro V2 Ergonomic Office Chair
Best for advanced dynamic support, long-hour sitting, and users who want a more complete ergonomic upgrade.
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Sihoo Doro S300 "Gravity-Defying" Ergonomic Chair for Premium Comfort
Best for premium long-hour comfort, gaming, deep recline, and high-end ergonomic performance.
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INNOVATIVE & TRUSTWORTHY
We Are Trusted By...
“
By extending the seat pan, you spread your weight across the full length of your thighs. It is the kind of engineering that separates a task chair from a gaming chair, and the reason the C300 Pro V2 holds up through 8-hour sessions.
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FAQs
Prime Day Sale: June 3–30, 2026
Prime Day Sale: June 3–30, 2026
Starts June 3 at 12:00 AM PDT and ends June 30 at 11:59 PM PDT.
How do I enter the C300 Pro V2 giveaway?
How do I enter the C300 Pro V2 giveaway?
Purchase a C300 Pro V2 during the Prime Day Sale period and you'll be automatically entered for a chance to win your order for free. No additional sign-up is required.
Can I combine multiple coupons?
Can I combine multiple coupons?
No. Coupons cannot be combined. Only one discount code may be applied per order.
What is the 120-Day Price Protection Promise?
What is the 120-Day Price Protection Promise?
If the price of your purchased product drops within 120 days of your order date, contact our support team and we'll help review your eligibility for a price adjustment.
How long does shipping take?
How long does shipping take?
We offer free shipping on all U.S. and Canadian orders.
United States: 3–5 business days
- Canada: 5–7 business days
- Tracking information is provided for every order