Reviews

Sihoo Doro C300 Pro review — An ergonomic chair that adapts to you, mostly

I recently had the chance to try out the SIHOO Doro C300 Pro, an ergonomic office chair designed with comfort and customization in mind. With adjustments for height, recline, lumbar support, and armrest positioning, this chair has a lot going on. As someone who spends a fair amount of time in front of a screen, having a chair that can support all kinds of postures and prevent me from becoming a banana-shaped slouch is a big plus.

The SIHOO Doro C300 Pro is built to accommodate a range of body types, with options to adjust height, depth, and recline so you can find your perfect sitting position. The overall build is solid, featuring breathable mesh fabric and adjustments for nearly every angle—except for the lumbar, which I’ll get into later.

The unboxing experience was less than ideal. The shipping box was flimsy and practically shredded upon arrival. With so much give in the outer box, the inner parts had plenty of room to jostle around, so by the time I got to it, some pieces were scattered throughout. This also allowed dirt to get into the box, and the cardboard sections were beginning to disintegrate, leaving shredded cardboard all over the parts and floor. Fortunately, nothing was damaged, but it wasn’t the best first impression.

Inside, you’ll find all the essentials to build the chair: the seat, backrest, base, and all the screws you’ll need. SIHOO includes two Allen wrenches—one with a handle—and a pair of white gloves to keep things clean. Assembly took me about an hour, which included wrestling with a few stubborn wheels that needed an extra push to slot into place. Once the pieces were together, dialing in the adjustments was where the real fun began. Between the seat and armrests, there’s enough customizability here to keep you experimenting until you find that sweet spot.

The C300 Pro has a breathable mesh design that’s both comfortable and flexible, with adjustments for seat height, position, and armrests. Speaking of armrests, they’re very customizable—maybe a little too customizable. You can adjust everything from height and angle to rotation, which is great, but the armrests shift so easily that a bump from my hip, dropping a backpack on the seat, or, honestly, a slight breeze could probably nudge them out of place. Ok, maybe not the breeze, but they really do shift that easily. I find myself adjusting them every time I sit down, which is not ideal. The ability to lock the armrests would be nice.

The lumbar support on the C300 Pro is generally solid, but it comes with one caveat: you can’t adjust how much it protrudes. Instead, you can only adjust the height, which requires raising or lowering the entire backrest. Without the option to control the lumbar depth, it’s excellent for keeping your back supported, but it won’t let you settle into shrimp-mode if you’re looking for something a bit more relaxed.

One nice feature is the single-handle control for height, seat depth, and recline angle. This handle makes it easy to switch between different settings without fumbling with multiple levers, which is a small but useful convenience.

After sitting in the C300 Pro for over a month, I can tell this chair is all about adjustability. The seat feels plush yet supportive, and the armrests offer a range of positions to keep you comfortable. The sliding seat adjustment is especially helpful, letting you sit back comfortably against the lumbar support. With the single-handle control, I can adjust height, tilt, and depth in one motion, which I’ve found to be a practical, streamlined feature.

Now, let’s talk about a few quirks. First, while the lumbar support is effective, it would be even better with manual adjustability to tweak the depth. Then there’s the headrest, which clicks quite loudly. Occasionally, if I lean back at just the right angle, my shoulders will push the headrest into a new position with a jarring, ear-level click. It’s a small thing, but after a few instances, it becomes pretty noticeable.

The SIHOO Doro C300 Pro offers a solid set of features for an ergonomic chair, and the added adjustability is a bonus. While a few areas could use some tweaks—especially the armrests that could really use a locking mechanism, and the lumbar support that could benefit from more depth control—it’s still a well-rounded option for anyone looking to elevate their sitting experience. For flexibility, comfort, and an ergonomic setup that supports a variety of postures, the C300 Pro checks a lot of boxes.

Image of Mike Case
Tabletop Editor | [email protected]

Mike’s gaming journey began with the Nintendo Entertainment System, sparking a lifelong love for video games that eventually expanded into the world of tabletop gaming. With a background in software engineering and a hobby in 3D printing, Mike enjoys exploring the intersection of technology and gaming. Always on the lookout for new innovations, he continues to dive into the evolving world of games, from classic consoles to the latest tabletop experiences.

75

Good

Sihoo C300 Pro

Review Guidelines

The SIHOO Doro C300 Pro offers a solid set of features for an ergonomic chair, and the added adjustability is a bonus. While a few areas could use some tweaks—especially the armrests that could really use a locking mechanism, and the lumbar support that could benefit from more depth control—it’s still a well-rounded option for anyone looking to elevate their sitting experience. For flexibility, comfort, and an ergonomic setup that supports a variety of postures, the C300 Pro checks a lot of boxes.

Mike Case

Unless otherwise stated, the product in this article was provided for review purposes.

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