SetupReady Guide
How to read a chair spec sheet
You'll sit in this thing for thousands of hours. The specs that matter are the adjustable ones — everything else is upholstery.
Fit — the ranges must include you
Seat height range should let your feet sit flat with knees at 90°. Check seat depth against your thigh length (2–3 fingers of gap behind the knee), and the weight rating with margin.
Lumbar support
- Adjustable (height and/or depth): the gold standard — you tune it to your spine.
- Dynamic/self-adjusting: follows you as you move; great when it fits, unfixable when it doesn't.
- Fixed or a strapped pillow: the weakest option; pillows migrate.
Armrests — 1D to 6D
The number counts adjustment directions: height (1D), + slide (2D), + pivot (3D), + depth (4D). 4D armrests let you support your elbows at the same height as your desk — that's the point. Locking armrests beat loose ones at any D-count.
Recline and tilt
Synchro-tilt (back reclines faster than seat) keeps your feet down and posture open. A recline lock at multiple angles matters more than the max angle number. "Gaming chair" 180° recline is a nap feature, not an ergonomic one.
Material and warranty
Mesh runs cool and supportive; foam+fabric is cushier day one but compresses over years; PU leather is the first thing to fail on cheap chairs (peeling at year two). Warranty length is the honest signal of build quality — 10+ years on premium chairs vs 1–2 on budget ones.
The 10-second cheat sheet
- All-day sitting: adjustable lumbar, 4D arms, synchro-tilt, mesh or quality foam.
- The warranty IS the quality spec: 10+ years means the maker expects it to last.
- Skip: massage modules, footrests, RGB — adjustability is what your back needs.