Sihoo B100 Pro Classic Office Chair
Benefits
Benefits
- Supports up to 300 lbs
- Environmentally certified by BIFMA and TUV for quality and safety
- 4D adjustable armrests and multi-adjustable headrest for maximum comfort
- Flexible backrest and self-adaptive lumbar support for consistent waist support
- Streamlined seatback and waterfall-shaped seat for a lighter, ergonomic experience
- Smart weight-sensing mechanism for effortless, balanced reclining
- Endorsed by Tom's Guide, CNET, CNN, TechRadar, Forbes, and more than 1,000 reviews
Promises
Promises
- 30-Day Worry-Free Trial: Try the chair for 30 days. If it’s not for you, feel free to return it.
- 3-Year Warranty: Enjoy lasting comfort and peace of mind with our 3-year warranty.
- Free Shipping: Receive your chair in just 5-7 days, in US and CA.
- Satisfaction Guarantee: For any issues, contact support@sihoooffice.com for prompt assistance and guaranteed satisfaction.
Payment methods
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How to choose a right ergonomic office chair?
Check out our buying guide for you!
Adaptive Backrest: The streamlined backrest naturally aligns with your back and adjusts smoothly with your movements, offering continuous support thanks to its flexible triangular frame.
Customizable Headrest: Easily adjust the headrest in height, depth, and rotation with the auto-lock mechanism for a precise fit around your neck.
Comfortable Reclining: Enjoy relaxing breaks with a generous tilt and dynamic lumbar support that adapts to your lower back for ultimate comfort.
Pressure-Reducing Seat: The waterfall-shaped seat distributes weight evenly and reduces pressure on your thighs and hips, preventing discomfort during extended sitting.
Breathable Mesh Design: Stay cool and comfortable with a top-notch mesh that promotes airflow, is easy to clean, and offers durability for long-lasting use.
Effortless Adjustment: Quickly adjust the chair’s height and tilt with a conveniently located lever for ideal posture.
Versatile Armrests: Doro C300 comes equipped with cushioned and supple 4-directional armrests that offer versatile adjustments – up and down, back and forth, and even pivot up to 75 degrees. Moreover, these armrests are synchronized with the seatback when reclining, providing an ideal solution for comfortably resting your arms in different positions while you work.
Rigorously tested for your peace of mind:
- American BIFMA Testing Standards
- German TUV Product Safety and Quality Certification
1. How does the C300’s adaptive lumbar support benefit both gaming and writing?
The C300’s adaptive lumbar support adjusts automatically to your movements, providing continuous lower back support whether you’re leaning forward while coding or reclining during a gaming break. This ensures comfort and reduces strain for both activities.
2. Can the C300 recline enough for comfortable breaks during long working sessions?
Yes, the C300 reclines up to 112°, allowing for a relaxed position during breaks. This range is sufficient for a comfortable rest without fully reclining, helping you switch between intense focus and relaxation smoothly.
3. How does the C300’s backrest support enhance comfort for different activities?
The spine-inspired backrest provides full support for a range of sitting positions. Whether you’re working at your desk, leaning forward to code, or reclining during a gaming session, the backrest adapts to your posture, offering consistent support.
4. How are the C300’s armrests designed to support various tasks?
The 4D adjustable armrests move up, down, forward, back, and sideways. This flexibility ensures your arms are well-supported while typing, coding, or gaming. They also synchronize with the backrest when you recline, maintaining comfort across different activities.
5. Is the C300 durable enough for extensive use in both gaming and working?
Absolutely. The C300 is built with high-quality materials and certified by BIFMA and TUV for safety and durability, making it suitable for long hours of both gaming and office work.
6. How does the breathable mesh on the C300 contribute to comfort during extended use?
The breathable mesh promotes airflow, keeping you cool and comfortable during long periods of use. It’s designed to maintain its shape and is easy to clean, ensuring lasting comfort for both work and play.
7. What sets the C300 apart from the S100 for office and gaming use?
The C300’s spine-inspired design provides versatile support for various sitting positions, making it suitable for both coding and gaming. The S100 offers a larger recline angle and dual lumbar support, which might be preferred for those seeking extensive back and shoulder support.
8. What’s the return and warranty policy for the C300?
The C300 comes with a 7-day worry-free trial, so you can test it in your workspace or gaming setup. If it doesn’t meet your needs, you can return it. It also includes a 3-year warranty, providing long-term peace of mind.
Key Features
Dynamic Full Spine Support
360° armrests in 4D
3D mechanical headrest
4D coordinated armrests
Real-Time Support for Your Spine
Real-Time Support for Your Spine
The dynamic lumbar systemDelivers
continuous supportacross your entire spine-stabilizing yourlowerback and sacrum as you move.
Arm Support in 4D and 360°
Arm Support in 4D and 360°
Soft PU-coated armrestskeep
your arms comfortably supportedwhile you work, create, or game.With 4D adjustment and synchronizedrecline, they adapt effortlesslyto every position.
Tucks AwayWhen You Don't Need It
The armrests flip up so the chair slides neatlyunder your desk,taking up minimal spaceandgivingyoumaximumfreedom.
A generously wide36.5 cm headrest
with three-dimensional adjustmentso your neck and head stay comfortableand aligned, whether you're focusedor reclining.
Targeted Support for Every Part of Your Body
Targeted Support for Every Part of Your Body
Sihoo B100 Pro delivers dedicated support from neck to thighskeeping your whole body comfortable all day.
Sihoo B100 Pro delivers dedicated support from neck to thighskeeping your whole body comfortable all day.
Enjoy 135° of Deep Relaxation
Enjoy 135° of Deep Relaxation
Recline up to 135° and extend the footrest to support your legs,allowing you to fully relax and recharge between tasks or during micdday breaks
Recline up to 135° and extend the footrest to support your legs,allowing you to fully relax and recharge between tasks or during micdday breaks
3 Recline AnglesAll Sitting Positions
From focused work to relaxed breaksthree recline positions let you findthe perfect angle for every moment.
Comfort That's Future-Proof
Crafted from premium materials and backed
by BIFMA,SGS, and TÜV certifications,
Sihoo B100 Pro undergoes rigorous testing
to ensure lasting durability and dependable
ergonomic support-whether you're working,
creating, or relaxing.





























