Learn the specs that decide this purchase
Plain-English explainers on track shape, roller depth, fit, footprint and warranty language, written so you can read a product page and know what you're looking at.
SL-Track vs L-Track: which one actually fits you
Track shape decides where the rollers stop, and it's the spec most often misread on a product page. What each type covers, and who should ignore the marketing.
Read the guide →The fundamentals
4D vs 3D rollers
What roller dimensions mean in practice, and when paying for 4D is wasted money.
What zero-gravity actually does
Why stage count matters more than the phrase, and how to spot a token recline.
Shiatsu and massage techniques
The named techniques on a spec sheet, and which ones you'll actually feel.
Fit & space
Big-and-tall buyers: what to check
Seat width, shoulder clearance and weight limits, and which brands document them.
How much room you really need
Recline clearance, footrest travel, and the doorway measurement people forget.
How to choose your first chair
A short decision path from budget and height to a two or three chair shortlist.
Buying & ownership
Return policies, decoded
What a return actually costs you when a 250 lb chair has to go back.
Keeping a chair running
The small upkeep that decides whether a chair lasts five years or fifteen.
What a chair actually helps
An honest read on what the research supports, and what it doesn't.
Read enough? Get a shortlist.
Three questions on height, budget and pain points, and we'll name your top three chairs.