SIHOO - B300 Pro Ergonomic Office Chair with Footrest, 6D Flip-up Armrests & Breathable Mesh High Backm, Adult, 330lbs - Gray
Reviews coming soon
About this product
The B300 PRO ergonomic office chair is built for real life—work, study, gaming, and everything in between. Its upgraded self-adaptive lumbar support moves with your back, while the height-adjustable backrest fits your body perfectly. The adjustable seat depth and breathable mesh keep you cool and supported for hours. When it's time to relax, the weight-sensing recline and retractable footrest let you stretch out and unwind effortlessly. The oversized 3D headrest and 6D armrests keep your neck, shoulders, and arms aligned. This ergonomic mesh chair is also a great ergonomic desk chair, ergonomic gaming chair, and ergonomic study chair—all in one. Tested to BIFMA, SGS, and TÜV standards, it comes with a 3-year warranty, 30-day returns, and 24-hour support.
Color
GrayFeatures
Lumbar That Moves With You
Your body never stays in one position, and this ergonomic office chair keeps up. The 4-way lumbar system moves up, down, forward, and bends with your back. It supports you during deep work, meetings, or relaxation—helping reduce pressure and keep your spine comfortable all day.
Backrest Built for Your Height
This mesh office chair adapts to you, not the other way. The height-adjustable backrest lets you find the perfect fit for your spine. It encourages natural posture and keeps your whole back in contact with the chair—so you feel balanced and supported, whether you're tall or small.
Seat That Lets You Sit Deeper and Stretch Farther
Long hours need real comfort. The adjustable seat depth supports your thighs perfectly, while the retractable footrest lets you kick your legs up and relieve pressure. Whether you're working, studying, gaming, or taking a break, the breathable mesh keeps you cool from start to finish.
Recline That Feels Effortless
Switching from work to rest is easy. The smart weight-sensing recline adjusts to your body automatically—no buttons, no fuss. Pair it with the footrest to stretch out fully, reduce leg tiredness, and enjoy a light, floating recline during movies, breaks, or quiet moments.
Full Support From Head to Toe
Comfort isn't just for your back—it's for your whole body. The oversized 3D headrest supports your neck, while the 6D armrests adjust to any position for your arms and shoulders. Add the retractable footrest, and your legs get support too. This ergonomic chair gives you complete, balanced comfort from head to toe.
Specifications
- Product Height42.95 inchesProduct Width28.57 inchesProduct Depth28.17 inchesSeat Height (From Floor)17.93 inchesMaximum Weight Capacity330 poundsMaximum Seat Height From Floor20.8 inches
Reviews
This product doesn't have any reviews yet.
Compare similar products
The B300 PRO ergonomic office chair is built for real life—work, study, gaming, and everything in between. Its upgraded self-adaptive lumbar support moves with your back, while the height-adjustable backrest fits your body perfectly. The adjustable seat depth and breathable mesh keep you cool and supported for hours. When it's time to relax, the weight-sensing recline and retractable footrest let you stretch out and unwind effortlessly. The oversized 3D headrest and 6D armrests keep your neck, shoulders, and arms aligned. This ergonomic mesh chair is also a great ergonomic desk chair, ergonomic gaming chair, and ergonomic study chair—all in one. Tested to BIFMA, SGS, and TÜV standards, it comes with a 3-year warranty, 30-day returns, and 24-hour support.
The B300 PRO ergonomic office chair is built for real life—work, study, gaming, and everything in between. Its upgraded self-adaptive lumbar support moves with your back, while the height-adjustable backrest fits your body perfectly. The adjustable seat depth and breathable mesh keep you cool and supported for hours. When it's time to relax, the weight-sensing recline and retractable footrest let you stretch out and unwind effortlessly. The oversized 3D headrest and 6D armrests keep your neck, shoulders, and arms aligned. This ergonomic mesh chair is also a great ergonomic desk chair, ergonomic gaming chair, and ergonomic study chair—all in one. Tested to BIFMA, SGS, and TÜV standards, it comes with a 3-year warranty, 30-day returns, and 24-hour support.
You don't sit still, so your chair shouldn't either. The B300 PRO ergonomic office chair moves with you—its 4-way lumbar flexes, glides, and adjusts height to keep your lower back supported through work, meetings, gaming, or reading. The backrest adapts to your height, while the depth-sliding seat relieves thigh pressure and the breathable mesh keeps you cool and sweat-free. Weight-sensing recline delivers smooth, natural resistance without knobs. A 3D headrest cradles your neck, and 6D armrests twist, slide, or flip up for any sitting style. Built to BIFMA, SGS, and TÜV standards, backed by a 3-year warranty and 30-day returns, with 24/7 support—this mesh office chair is your all-day comfort companion for work, study, and play.
Specs
Be the first to ask a question.
We’ll try to get your question answered within 24 hours by a Best Buy customer or brand representative.
Customers often buy these together
$149.99The price was $229.99
Techtober Deal$319.99The price was $499.99
More to consider
- Techtober Deal$319.99The price was $499.99
$499.97The price was $599.99
Discover lifestyle innovations Sponsored
- $499.97The price was $599.99
Keep exploring
$289.99The price was $299.99
$114.99The price was $199.99
$99.99The price was $109.99
$108.99The price was $109.99
