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Sihoo B300 Pro Ergonomic Office Chair with 4D Lumbar Support
Sihoo B300 Pro Ergonomic Office Chair with 4D Lumbar Support - Black / Standard Version is backordered and will ship as soon as it is back in stock.
Sale price
$219.99
Regular price
$329.99
Unit price
Tax included
Shipping calculated at checkout.
Details
Details
Sihoo B300 Pro delivers precision ergonomic support with personalized comfort for users from 5'1" to 6'1".
Featuring 4D Micro-Fit Lumbar Support, 6D all-around armrests, a 3D ultra-wide headrest, and a weight-adaptive mechanism, it lets you fine-tune your sitting experience for a comfortable, supportive fit throughout the day.
Free Shipping | 3-Year Free Warranty | 30-Day Free Return | Available in U.S. and Canada for now
Sihoo B300 Pro
Precision Support.
Every Body.
Highlights at a Glance
4D MicroFit Lumbar Support
Precision Support. Right Where You Need It.
Moves with your back for support that feels just right. Adjust 0.8" in depth and 2" in height, with subtle movement that follows you as you sit, lean, or recline.
Working
Stay supported through every task.
Moving
Full lumbar support through every twist and turn.
Recline
Lean back. Stay supported.
Adjustable Contour-Aligned Backrest
Your Back. Your Fit.
Shaped to follow your spine for natural, full-back support. Adjust the height by 2.2" to find your perfect fit.
Made to fit. 2.2" of height adjustment.
Full-back support. Top to bottom.
6D All-Around Armrests
Made to Move With You.
Rotate. Adjust. Flip up. Recline.
Support that follows wherever you go.
Work
Total arm support for relaxed, productive work.
Recline
Full-body relaxation, arms included.
Move
Unrestricted movement, on demand.
Any Position
Arm support, in every position.
Flip Up. Tuck Away.
More room when you need it.
3D Ultra-Wide Headrest
More Room to Relax.
Wide, adjustable support for your head and neck—whether you're sitting upright, leaning back, or resting to the side.
Spacious design for all-day comfort.
Adjust easily. Align perfectly.
Weight-Adaptive Recline
Just Lean Back.
Automatically adjusts recline resistance to your weight. No knobs. No setup. Just smooth, effortless recline.
Smooth, effortless recline.
Stable recline. Easy return.
105° / 120° / 135° Recline
Work. Create. Unwind.
Three lockable recline angles for focus, creativity, and relaxation.
Adjust Without Reaching.
Height. Depth. Recline.
All right at your fingertips.
FlexWeave™ Mesh
Cool. Soft. Supportive.
Breathable mesh keeps air flowing while flexing with your body for lasting comfort and support.
CERTIFIED DURABILITY
Built to Last. Certified to Perform.
Tested to meet rigorous BIFMA standards for strength, durability, and everyday performance. Built for years of work, rest, and everything in between.
Why Upgrade to Pro V2?
NEW!
B300 PRO
B300 PRO
B100 PRO
Armrests
6D All-Around Armrests
4D 360° rotation
Lumbar Support
4D Micro-Fit Lumbar
Composite sacral pillow
Headrest
3D Ultra-Wide Headrest
Wide 3D Headrest
Backrest
Adjustable Contour-Aligned Backrest. Adjusts 2.2" to fit users from 5'1" to 6'1".
Fixed
Seat Depth Adjustment
approximately 2 inches
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Tech Specs
| Product Name | Sihoo B300 Pro Ergonomic Chair for Precision Support |
|---|---|
| Materials | Mesh Back and Seat; Soft PU Coated Armrests |
| Armrests | 6D All-Around Armrests |
| Maximum Load | Up to 330 lbs |
| Seat Depth | 16.5"–18.5" |
| Seat Width | 19.1" |
| Recline Angles | 105°, 120°, 135° |
| Net Weight | 43.7 lbs |
| Gross Weight | 52.1 lbs |
| Color Options | Black, White |
