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SIHOO B100 Pro Ergonomic Office Chair with Adaptive Lumbar Support, Computer Chair with Dual-Back, Desk Chair with 360° Rotatable & Flip-Up Armrests, 3D Wide Headrest, 2 Packs, Light Grey Light White Pack of 2 | Envi

Sobre este producto

TRUSTED QUALITY & WORRY-FREE SUPPORT — Tested to meet SGS and BIFMA standards, the SIHOO B100 ergonomic office chair is built for long-term durability and daily performance. Backed by a 36-month coverage and 30-day easy returns, you can order your desk chair with confidence. Our dedicated support team responds within 24 hours to resolve issues—ensuring your experience remains smooth, secure, and stress-free. BUILT STRONG, BUILT QUIET — Reinforced metal base and Class 4 SGS-certified gas lift provide stable support up to 300 lbs. Smooth tilt control and quiet casters glide across any floor without noise—ideal for shared spaces or late-night work sessions. BREATHABLE MESH THAT WORKS AS HARD AS YOU DO — The full-mesh back and seat promote airflow, keeping you cool through long workdays or late-night gaming. Supportive yet breathable, this mesh office chair prevents overheating and delivers consistent comfort all day. PLUSH CUSHION & ULTRA-WIDE HEADREST — The widened seat cushion spreads weight evenly for lasting comfort. The 3D ultra-wide headrest supports your neck naturally, keeping shoulders relaxed during typing, calls, or video conferences. Sit longer, stay supported, and feel the difference in every hour at your desk. 4D ARMRESTS & LOCKABLE RECLINE — Adjust, rotate, or flip the 4D armrests to fit your posture or slide neatly under your desk. Three recline angles (110° / 125° / 135°) let this office chair shift effortlessly from focused work to relaxing breaks—perfect for home offices, gaming, or long study sessions. RETRACTABLE FOOTREST FOR FULL RELAXATION — Pull out the smooth footrest and stretch out fully. Lean back, relax, and transform this computer chair into a personal lounge for quick power naps, gaming sessions, or movie breaks after work. Comfort follows your every move. ADAPTIVE DYNAMIC LUMBAR SUPPORT — Long hours at your desk shouldn’t leave your lower back aching. The SIHOO B100 ergonomic office chair features elastic lumbar support with a dual-back design that moves with your spine. Lean forward to focus, sit upright in meetings, or shift positions throughout the day—this desk chair adapts with you, keeping your back supported and comfortable without feeling stiff.

Dre
Comfortable. Great Value for money. Easy to assemble. Great customer service.
I've been looking for a new chair to replace a cheap $30 chair i bought off of Amazon last year that had been killing my back and shoulders. I wanted something in the $150-$200 range and settled on the M18. Shipping was a fast 3 days with Prime and the box arrived in great condition.All parts were separately wrapped or in their own boxes. Came with all hardware and nothing was missing. Assembly took me a little longer then normal because i have rotator cuff injury in my left shoulder so that arm is mostly useless. The most difficult part for me was attaching the wheels to the base. Other then that it was simple.Once the chair was assembled i sat in it for the first time and started making my adjustments with the recline feature, armrest level along with the headrest. Next i reached around for the lumbar support knob and tried to adjust it but with my bad shoulder i decided to just get out of the seat and turn it around and adjust it with both hands. After spinning the chair a round to get at the lumbar knob i noticed a large crack in the plastic in the middle of the back of the lumbar plastic piece. I had not made any lumbar adjustments yet so i assumed this is how i received it. The lumbar support comes preinstalled to the backrest so it either was damaged before or during the shipping process. Either way it was damaged before being delivered to me. The lumbar support still functioned properly but it was still broken.I decided to contact Sihoo's customer support that came along with the installation instructions regarding the damaged lumbar piece. I received a reply the next day and after sending them some more info about my order and a couple pics they shipped me a replacement part which took a week to arrive. I swapped out the damaged part and after owning the chair for a week so far i am really happy with my purchase.Im about 5'10 180lbs. At its highest height level my feet reach the ground comfortably flat footed. The backrest fully covers my back and the headrest adjusts very well to sit on the back of my lower head/upper neck. The armrests only go up and down....not forward and back or tilt inwards. This is fine for me as they are grooved to fit your forearm while sitting at your desk/keyboard. The armrests are also a soft cushioned rubber material...not a hard plastic. The mesh of the backrest and headrest are good material and seem well made. The seat is very wide and the cushioning is firm which i prefer. Usually more firm cushioning seems to last longer and hold its form. The base of the chair is VERY sturdy and made of all metal. My chair is on carpet and holds its position very well. As far as recline goes you can set it to recline all the way back, half way or lock the chair in the upright position. You can also adjust the resistance on the reclining feature.So that being said im very happy with my purchase. It arrived with a slight flaw which the company corrected in a fast manor and was very polite in their customer support. I personally don't have a lot of experience with many office chairs and have never used a high end chair($500-$1000+) chair before to make any comparisons. All my chairs for the most part have been from local stores like Staples or Office Depot. Id recommend this over anything they carry in this price range....and i went and looked at their products before buying this chair as well.Ver másVer menos
91 personas la encontraron útil
farmhousewife
1 de abril de 2023
A solid chair for the budget conscious sitter.
While this is not THE most comfortable chair, let's face it - if you sit for long periods, what chair IS? I bought this chair because I'm making a career change. I've returned to school and spend hours at my desk. At the age of 50, sitting for a long time with my nose pointed toward a book can be hard on the seat, back and neck. I looked at all kinds of office chairs and settled on this one, primarily because it was on sale, was in my budget and so I clicked the "Add to cart" button and hoped for the best.It was delivered, and I had to work that evening, and when I got home my 17-year-old son had assembled it. My theory on the simplicity of assembly can be deduced from that sentence above. He didn't have any extra parts left over and the chair was complete!I sat down. I leaned back. I shifted the lever that keeps the chair in an upright position and sat straight up.Okay! I can live with this. It has been almost two full months of using this chair and I have no problems.Pros:easy to assemblesufficient comfort level - adequate cushion in the seatcan be leaned back or pop the lever in to stay straight uprollers on bottomheadrest is adjustableaffordableeasy to cleanarm-rests can be moved up or downheight adjustment is self-explanatory - you'll figure it outthe "lumbar" support is actually comfortable - it's "there" if you back up to it but if you scoot forward just a bit, you won't feel it if you don't want to sit like thatOverall this seems like a chair that's going to last me for a few years, at least, and not fall apart. In the context of size, I'm not a small or extra larger person. I'm an average middle-aged woman with meat on the bones. The seat is plenty big enough.I would recommend this chair as an upgrade to the hand-me-down office chair that just isn't comfortable any longer.Ver másVer menos
84 personas la encontraron útil
John in Bethesda
19 de julio de 2025
Good medium priced office chair with a few problems
I bought this during Prime Days and got a good deal. I am not an expert on chairs, but I've bought about six office chairs in the last decade. These are good chairs. I would buy again.Pros:- reasonable price- comfortable for both my self and my wife- seat is large, good thigh support, and soft- adjustable arm rests, lumbar supports, head rest, and tilt stiffness - nice!- somewhat easy to assemble- the screws and parts are in a blister pack with a couple extra partsCons:- rollers do not roll as easy as some chairsAssembly notes:- as a retired tech writer, I'll give the Assembly Guide a 70% - it's all illustrations and the illustrations are not large enough - the parts labels don't always match the assembly instructions- don't forget the washers - it's hard to see in the illustrations, but most bolts use them- the casters are difficult to install into the bottom frame - use a light coat of three-in-one oil on the caster stems and they will go in easily- it is difficult to attach the chair back to the seat - put both parts on the ground and concentrate on getting one bolt in, the others will be easy to get inVer másVer menos
38 personas la encontraron útil
JMald
Very impressed once I got it adjusted!
My first impression wasn’t great because I didn’t realize the recline was locked. Once I unlocked it and adjusted the headrest, it was a completely different chair. The mesh feels supportive, the lumbar support is comfortable, and I like that the recline tension is adjustable so I can choose between more support or a more relaxed lean. The headrest is also much more adjustable than I initially realized.I especially like that I can sit upright for work and then lean back comfortably while reading or planning between tasks. The casters have a little more resistance than my previous chair, but I’ve actually come to appreciate that because the chair stays put instead of rolling away every time I lean back.It’s not quite on the level of my old Herman Miller, but considering the price difference, it’s an excellent value. If you’re coming from a basic office chair, take a few minutes to learn the adjustments before judging it, you may end up loving it like I did.Ver másVer menos
2 personas la encontraron útil
Daniel
25 de julio de 2026
great chair for big and tall Gents
i am 6ft 6 325lbs. this s a great chair the price makes it even better. the only flaw i have with this chair, and only because my height is above the waste and not in my legs. (my wife says i am all torso). even at its highest point the head rest barley clears my shoulders. i do have a seat cushion but i have a seat cushion i use for every seat i sit in. just because i know my seat cushion is clean and comfortable.. if you get up every 2 hrs. to stretch you will not need a seat cushion. i bought the cushion for a Ryanair flight and figure i might as well use the darn thing since i bought it. LOL.i sit in this chair at least 30 hours a week and have had no pain anywhere in my back, bum or anywhere. very good chair. for reference i switched over from a secret labs chair and the seat was pretty firm. a lot firmer that the SIHOO. there is absolutely nothing wrong with secret labs chairs but why should i spend close to 700 on chair for someone of my size when i can get a chair just as good for under 200?Ver másVer menos
1 persona la encontró útil
Noah
2 de julio de 2026
Confortable and Sturdy
I have used the chair for about 3 days at my desk job so far, and it has proven comfortable and pretty easy to adjust as needed.Assembly went smoothly, though I would recommend having a second person to hold the back of the chair in place when attaching it to the base. The included hex key had an ergonomic handle that made getting leverage easy.The chair feels sturdy, and the back support feels good to me.Ver másVer menos
5 personas la encontraron útil

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SIHOO B100 Pro Ergonomic Office Chair with Adaptive Lumbar Support, Computer Chair with Dual-Back, Desk Chair with 360° Rotatable & Flip-Up Armrests, 3D Wide Headrest, 2 Packs, Light Grey Light White Pack of 2

Reseñas

Sobre este producto

Comfortable. Great Value for money. Easy to assemble. Great customer service.

A solid chair for the budget conscious sitter.

Good medium priced office chair with a few problems

Very impressed once I got it adjusted!

great chair for big and tall Gents

Confortable and Sturdy