M18

I’d suggest seeing a doctor first, just to rule out anything serious. I had tailbone pain too, and after getting checked, my doctor said my sitting posture was a big part of it. I switched to an ergo chair and it helped quite a bit. I first tried a Sihoo M18 and used it for about half a year, but th

i'm your height and went through a similar chair search last year. The IKEA Markus has better headrest support for our height than the Sihoo M18, which tends to hit mid-back on taller users. For your budget, i'd also look at the Ticova Ergonomic Chair which has adjustable armrests that go higher tha