Back
High-back breathable mesh
Seat
Padded cushion (non-mesh)
Lumbar
Adjustable lumbar support
Armrests
3D adjustable armrests
Weight capacity
Up to 330 lb
Pros
- High mesh back moves air over your spine all day
- Adjustable lumbar and headrest at a low price
- Big-and-tall 330 lb capacity fits most bodies
Cons
- Padded seat is not mesh — legs get less airflow
- Great-value finish rather than luxury
The SIHOO M57 is the mesh chair we point most people to first. It hits the sweet spot of the whole breathable-chair category: well under $200, with the tall, taut mesh back that gives this style its reason to exist. Air moves straight through the backrest, so your spine stays cool through a full workday instead of pressing against a sweaty foam pad. On top of the airflow you get an adjustable lumbar that meets your lower back, 3D armrests, and an adjustable headrest.
The one honest caveat is the seat: it is a padded cushion, not a mesh pan, so airflow lives in the backrest rather than under your legs. That is the common split at this price (see the seat-vs-back note below), and for most people a breathable back is 80% of the benefit. Here is the decision in one line: if the seat itself must breathe, step up to the Razer Fujin; for everything else, the M57 is the buy — it also tops our back-pain chair guide for the same lumbar that earns it this slot.
Our Pick
The internet's favorite affordable mesh chair, and the one most readers of this page should simply buy. A high breathable back, adjustable lumbar and headrest, 3D armrests, and a 330 lb capacity — cool-running ergonomics for well under $200. Unless you specifically need a mesh seat (Fujin) or a footrest (FlexiSpot), this is the answer.
Buy this if you want the best balance of breathability, support, and price — and if you've been comparing mesh chairs for more than ten minutes, this is the tab to check out in. The high mesh back keeps air moving over your spine, the adjustable lumbar meets your lower back, and the 3D arms place your forearms right. The big-and-tall 330 lb rating means it fits a wide range of bodies.
What we don't like
The seat is a padded cushion rather than mesh, so the seat pan itself does not breathe the way the back does — you get airflow where it matters most (your back) but not under your legs. Fit and finish are excellent for the price rather than luxury-grade.









